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Finding the Fourth Proportional to 437,225.60, 656,145.60 and 188,086.40

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Solution

The fourth proportional to 437,225.60, 656,145.60 and 188,086.40 is: 282,261.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,225.60 : 656,145.60 = 188,086.40 : x
  2. Step 2: Convert to fraction form
    437,225.60/656,145.60 = 188,086.40/x
  3. Step 3: Cross multiply
    437,225.60x = 656,145.60 × 188,086.40
  4. Step 4: Simplify right side
    437,225.60x = 123,412,063,779.84
  5. Step 5: Solve for x
    x = 123,412,063,779.84/437,225.60
  6. Step 6: Final answer
    x = 282,261.75

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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.