Home / 603,427.12-905,140.68-154,148.97

Finding the Fourth Proportional to 603,427.12, 905,140.68 and 154,148.97

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Solution

The fourth proportional to 603,427.12, 905,140.68 and 154,148.97 is: 231,223.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,427.12 : 905,140.68 = 154,148.97 : x
  2. Step 2: Convert to fraction form
    603,427.12/905,140.68 = 154,148.97/x
  3. Step 3: Cross multiply
    603,427.12x = 905,140.68 × 154,148.97
  4. Step 4: Simplify right side
    603,427.12x = 139,526,506,343.32
  5. Step 5: Solve for x
    x = 139,526,506,343.32/603,427.12
  6. Step 6: Final answer
    x = 231,223.46

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Similar ratio
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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.