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Finding the Fourth Proportional to 418,580.08, 628,149.30 and 152,340.52

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Solution

The fourth proportional to 418,580.08, 628,149.30 and 152,340.52 is: 228,612.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,580.08 : 628,149.30 = 152,340.52 : x
  2. Step 2: Convert to fraction form
    418,580.08/628,149.30 = 152,340.52/x
  3. Step 3: Cross multiply
    418,580.08x = 628,149.30 × 152,340.52
  4. Step 4: Simplify right side
    418,580.08x = 95,692,590,999.64
  5. Step 5: Solve for x
    x = 95,692,590,999.64/418,580.08
  6. Step 6: Final answer
    x = 228,612.39

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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.