Home / 287,589.45-430,892.10-182,285.40

Finding the Fourth Proportional to 287,589.45, 430,892.10 and 182,285.40

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Solution

The fourth proportional to 287,589.45, 430,892.10 and 182,285.40 is: 273,116.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,589.45 : 430,892.10 = 182,285.40 : x
  2. Step 2: Convert to fraction form
    287,589.45/430,892.10 = 182,285.40/x
  3. Step 3: Cross multiply
    287,589.45x = 430,892.10 × 182,285.40
  4. Step 4: Simplify right side
    287,589.45x = 78,545,338,805.34
  5. Step 5: Solve for x
    x = 78,545,338,805.34/287,589.45
  6. Step 6: Final answer
    x = 273,116.20

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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.