Home / 435,528.20-653,486.70-155,246.60

Finding the Fourth Proportional to 435,528.20, 653,486.70 and 155,246.60

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Solution

The fourth proportional to 435,528.20, 653,486.70 and 155,246.60 is: 232,939.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,528.20 : 653,486.70 = 155,246.60 : x
  2. Step 2: Convert to fraction form
    435,528.20/653,486.70 = 155,246.60/x
  3. Step 3: Cross multiply
    435,528.20x = 653,486.70 × 155,246.60
  4. Step 4: Simplify right side
    435,528.20x = 101,451,588,320.22
  5. Step 5: Solve for x
    x = 101,451,588,320.22/435,528.20
  6. Step 6: Final answer
    x = 232,939.20

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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.