Home / 435,532.20-653,492.70-155,250.60

Finding the Fourth Proportional to 435,532.20, 653,492.70 and 155,250.60

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Solution

The fourth proportional to 435,532.20, 653,492.70 and 155,250.60 is: 232,945.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,532.20 : 653,492.70 = 155,250.60 : x
  2. Step 2: Convert to fraction form
    435,532.20/653,492.70 = 155,250.60/x
  3. Step 3: Cross multiply
    435,532.20x = 653,492.70 × 155,250.60
  4. Step 4: Simplify right side
    435,532.20x = 101,455,133,770.62
  5. Step 5: Solve for x
    x = 101,455,133,770.62/435,532.20
  6. Step 6: Final answer
    x = 232,945.20

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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.