Home / 385,731.31-578,689.31-160,966.69

Finding the Fourth Proportional to 385,731.31, 578,689.31 and 160,966.69

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Solution

The fourth proportional to 385,731.31, 578,689.31 and 160,966.69 is: 241,488.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,731.31 : 578,689.31 = 160,966.69 : x
  2. Step 2: Convert to fraction form
    385,731.31/578,689.31 = 160,966.69/x
  3. Step 3: Cross multiply
    385,731.31x = 578,689.31 × 160,966.69
  4. Step 4: Simplify right side
    385,731.31x = 93,149,699,070.80
  5. Step 5: Solve for x
    x = 93,149,699,070.80/385,731.31
  6. Step 6: Final answer
    x = 241,488.56

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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.