Home / 331,158.08-494,332.88-306,487.36

Finding the Fourth Proportional to 331,158.08, 494,332.88 and 306,487.36

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Solution

The fourth proportional to 331,158.08, 494,332.88 and 306,487.36 is: 457,505.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,158.08 : 494,332.88 = 306,487.36 : x
  2. Step 2: Convert to fraction form
    331,158.08/494,332.88 = 306,487.36/x
  3. Step 3: Cross multiply
    331,158.08x = 494,332.88 × 306,487.36
  4. Step 4: Simplify right side
    331,158.08x = 151,506,779,352.40
  5. Step 5: Solve for x
    x = 151,506,779,352.40/331,158.08
  6. Step 6: Final answer
    x = 457,505.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.