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Finding the Fourth Proportional to 365,142.60, 547,714.16 and 238,888.92

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Solution

The fourth proportional to 365,142.60, 547,714.16 and 238,888.92 is: 358,333.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,142.60 : 547,714.16 = 238,888.92 : x
  2. Step 2: Convert to fraction form
    365,142.60/547,714.16 = 238,888.92/x
  3. Step 3: Cross multiply
    365,142.60x = 547,714.16 × 238,888.92
  4. Step 4: Simplify right side
    365,142.60x = 130,842,844,151.11
  5. Step 5: Solve for x
    x = 130,842,844,151.11/365,142.60
  6. Step 6: Final answer
    x = 358,333.55

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1.5x scale

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.