Home / 385,459.28-577,346.87-160,136.54

Finding the Fourth Proportional to 385,459.28, 577,346.87 and 160,136.54

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Solution

The fourth proportional to 385,459.28, 577,346.87 and 160,136.54 is: 239,854.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,459.28 : 577,346.87 = 160,136.54 : x
  2. Step 2: Convert to fraction form
    385,459.28/577,346.87 = 160,136.54/x
  3. Step 3: Cross multiply
    385,459.28x = 577,346.87 × 160,136.54
  4. Step 4: Simplify right side
    385,459.28x = 92,454,327,655.24
  5. Step 5: Solve for x
    x = 92,454,327,655.24/385,459.28
  6. Step 6: Final answer
    x = 239,854.98

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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.