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Finding the Fourth Proportional to 637,476.60, 956,104.08 and 238,120.80

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Solution

The fourth proportional to 637,476.60, 956,104.08 and 238,120.80 is: 357,139.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,476.60 : 956,104.08 = 238,120.80 : x
  2. Step 2: Convert to fraction form
    637,476.60/956,104.08 = 238,120.80/x
  3. Step 3: Cross multiply
    637,476.60x = 956,104.08 × 238,120.80
  4. Step 4: Simplify right side
    637,476.60x = 227,668,268,412.86
  5. Step 5: Solve for x
    x = 227,668,268,412.86/637,476.60
  6. Step 6: Final answer
    x = 357,139.80

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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.