Home / 385,171.10-577,958.14-157,635.62

Finding the Fourth Proportional to 385,171.10, 577,958.14 and 157,635.62

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Solution

The fourth proportional to 385,171.10, 577,958.14 and 157,635.62 is: 236,535.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,171.10 : 577,958.14 = 157,635.62 : x
  2. Step 2: Convert to fraction form
    385,171.10/577,958.14 = 157,635.62/x
  3. Step 3: Cross multiply
    385,171.10x = 577,958.14 × 157,635.62
  4. Step 4: Simplify right side
    385,171.10x = 91,106,788,320.84
  5. Step 5: Solve for x
    x = 91,106,788,320.84/385,171.10
  6. Step 6: Final answer
    x = 236,535.89

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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.