Home / 358,342.38-537,562.98-121,621.50

Finding the Fourth Proportional to 358,342.38, 537,562.98 and 121,621.50

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Solution

The fourth proportional to 358,342.38, 537,562.98 and 121,621.50 is: 182,449.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,342.38 : 537,562.98 = 121,621.50 : x
  2. Step 2: Convert to fraction form
    358,342.38/537,562.98 = 121,621.50/x
  3. Step 3: Cross multiply
    358,342.38x = 537,562.98 × 121,621.50
  4. Step 4: Simplify right side
    358,342.38x = 65,379,215,972.07
  5. Step 5: Solve for x
    x = 65,379,215,972.07/358,342.38
  6. Step 6: Final answer
    x = 182,449.02

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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.