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Finding the Fourth Proportional to 446,318.40, 669,477.60 and 113,894.40

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Solution

The fourth proportional to 446,318.40, 669,477.60 and 113,894.40 is: 170,841.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,318.40 : 669,477.60 = 113,894.40 : x
  2. Step 2: Convert to fraction form
    446,318.40/669,477.60 = 113,894.40/x
  3. Step 3: Cross multiply
    446,318.40x = 669,477.60 × 113,894.40
  4. Step 4: Simplify right side
    446,318.40x = 76,249,749,565.44
  5. Step 5: Solve for x
    x = 76,249,749,565.44/446,318.40
  6. Step 6: Final answer
    x = 170,841.60

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.