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Finding the Fourth Proportional to 436,673.62, 655,071.92 and 152,322.70

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Solution

The fourth proportional to 436,673.62, 655,071.92 and 152,322.70 is: 228,505.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,673.62 : 655,071.92 = 152,322.70 : x
  2. Step 2: Convert to fraction form
    436,673.62/655,071.92 = 152,322.70/x
  3. Step 3: Cross multiply
    436,673.62x = 655,071.92 × 152,322.70
  4. Step 4: Simplify right side
    436,673.62x = 99,782,323,548.58
  5. Step 5: Solve for x
    x = 99,782,323,548.58/436,673.62
  6. Step 6: Final answer
    x = 228,505.50

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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.