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Finding the Fourth Proportional to 363,123.66, 500,758.83 and 242,269.86

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Solution

The fourth proportional to 363,123.66, 500,758.83 and 242,269.86 is: 334,097.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,123.66 : 500,758.83 = 242,269.86 : x
  2. Step 2: Convert to fraction form
    363,123.66/500,758.83 = 242,269.86/x
  3. Step 3: Cross multiply
    363,123.66x = 500,758.83 × 242,269.86
  4. Step 4: Simplify right side
    363,123.66x = 121,318,771,637.86
  5. Step 5: Solve for x
    x = 121,318,771,637.86/363,123.66
  6. Step 6: Final answer
    x = 334,097.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.