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Finding the Fourth Proportional to 446,337.25, 669,509.52 and 165,854.50

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Solution

The fourth proportional to 446,337.25, 669,509.52 and 165,854.50 is: 248,783.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,337.25 : 669,509.52 = 165,854.50 : x
  2. Step 2: Convert to fraction form
    446,337.25/669,509.52 = 165,854.50/x
  3. Step 3: Cross multiply
    446,337.25x = 669,509.52 × 165,854.50
  4. Step 4: Simplify right side
    446,337.25x = 111,041,166,684.84
  5. Step 5: Solve for x
    x = 111,041,166,684.84/446,337.25
  6. Step 6: Final answer
    x = 248,783.10

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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.