Home / 415,534.86-623,367.90-134,986.50

Finding the Fourth Proportional to 415,534.86, 623,367.90 and 134,986.50

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Solution

The fourth proportional to 415,534.86, 623,367.90 and 134,986.50 is: 202,501.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,534.86 : 623,367.90 = 134,986.50 : x
  2. Step 2: Convert to fraction form
    415,534.86/623,367.90 = 134,986.50/x
  3. Step 3: Cross multiply
    415,534.86x = 623,367.90 × 134,986.50
  4. Step 4: Simplify right side
    415,534.86x = 84,146,251,033.35
  5. Step 5: Solve for x
    x = 84,146,251,033.35/415,534.86
  6. Step 6: Final answer
    x = 202,501.06

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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.