Home / 446,028.40-669,042.60-146,555.20

Finding the Fourth Proportional to 446,028.40, 669,042.60 and 146,555.20

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Solution

The fourth proportional to 446,028.40, 669,042.60 and 146,555.20 is: 219,832.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,028.40 : 669,042.60 = 146,555.20 : x
  2. Step 2: Convert to fraction form
    446,028.40/669,042.60 = 146,555.20/x
  3. Step 3: Cross multiply
    446,028.40x = 669,042.60 × 146,555.20
  4. Step 4: Simplify right side
    446,028.40x = 98,051,672,051.52
  5. Step 5: Solve for x
    x = 98,051,672,051.52/446,028.40
  6. Step 6: Final answer
    x = 219,832.80

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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.