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Finding the Fourth Proportional to 243,343.34, 364,951.64 and 103,029.74

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Solution

The fourth proportional to 243,343.34, 364,951.64 and 103,029.74 is: 154,517.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,343.34 : 364,951.64 = 103,029.74 : x
  2. Step 2: Convert to fraction form
    243,343.34/364,951.64 = 103,029.74/x
  3. Step 3: Cross multiply
    243,343.34x = 364,951.64 × 103,029.74
  4. Step 4: Simplify right side
    243,343.34x = 37,600,872,581.77
  5. Step 5: Solve for x
    x = 37,600,872,581.77/243,343.34
  6. Step 6: Final answer
    x = 154,517.78

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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.