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Finding the Fourth Proportional to 487,966.65, 731,442.52 and 188,652.81

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Solution

The fourth proportional to 487,966.65, 731,442.52 and 188,652.81 is: 282,783.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,966.65 : 731,442.52 = 188,652.81 : x
  2. Step 2: Convert to fraction form
    487,966.65/731,442.52 = 188,652.81/x
  3. Step 3: Cross multiply
    487,966.65x = 731,442.52 × 188,652.81
  4. Step 4: Simplify right side
    487,966.65x = 137,988,682,622.64
  5. Step 5: Solve for x
    x = 137,988,682,622.64/487,966.65
  6. Step 6: Final answer
    x = 282,783.02

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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.