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Finding the Fourth Proportional to 520,050.29, 780,104.60 and 146,044.13

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Solution

The fourth proportional to 520,050.29, 780,104.60 and 146,044.13 is: 219,074.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,050.29 : 780,104.60 = 146,044.13 : x
  2. Step 2: Convert to fraction form
    520,050.29/780,104.60 = 146,044.13/x
  3. Step 3: Cross multiply
    520,050.29x = 780,104.60 × 146,044.13
  4. Step 4: Simplify right side
    520,050.29x = 113,929,692,985.25
  5. Step 5: Solve for x
    x = 113,929,692,985.25/520,050.29
  6. Step 6: Final answer
    x = 219,074.38

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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.