Home / 445,467.60-614,780.28-254,542.50

Finding the Fourth Proportional to 445,467.60, 614,780.28 and 254,542.50

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Solution

The fourth proportional to 445,467.60, 614,780.28 and 254,542.50 is: 351,288.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,467.60 : 614,780.28 = 254,542.50 : x
  2. Step 2: Convert to fraction form
    445,467.60/614,780.28 = 254,542.50/x
  3. Step 3: Cross multiply
    445,467.60x = 614,780.28 × 254,542.50
  4. Step 4: Simplify right side
    445,467.60x = 156,487,709,421.90
  5. Step 5: Solve for x
    x = 156,487,709,421.90/445,467.60
  6. Step 6: Final answer
    x = 351,288.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.