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Finding the Fourth Proportional to 336,024.80, 504,080.40 and 167,631.20

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Solution

The fourth proportional to 336,024.80, 504,080.40 and 167,631.20 is: 251,468.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,024.80 : 504,080.40 = 167,631.20 : x
  2. Step 2: Convert to fraction form
    336,024.80/504,080.40 = 167,631.20/x
  3. Step 3: Cross multiply
    336,024.80x = 504,080.40 × 167,631.20
  4. Step 4: Simplify right side
    336,024.80x = 84,499,602,348.48
  5. Step 5: Solve for x
    x = 84,499,602,348.48/336,024.80
  6. Step 6: Final answer
    x = 251,468.35

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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.