Home / 385,731.15-578,689.11-160,966.56

Finding the Fourth Proportional to 385,731.15, 578,689.11 and 160,966.56

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Solution

The fourth proportional to 385,731.15, 578,689.11 and 160,966.56 is: 241,488.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,731.15 : 578,689.11 = 160,966.56 : x
  2. Step 2: Convert to fraction form
    385,731.15/578,689.11 = 160,966.56/x
  3. Step 3: Cross multiply
    385,731.15x = 578,689.11 × 160,966.56
  4. Step 4: Simplify right side
    385,731.15x = 93,149,595,346.16
  5. Step 5: Solve for x
    x = 93,149,595,346.16/385,731.15
  6. Step 6: Final answer
    x = 241,488.39

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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.