Home / 435,432.35-653,189.75-169,213.40

Finding the Fourth Proportional to 435,432.35, 653,189.75 and 169,213.40

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Solution

The fourth proportional to 435,432.35, 653,189.75 and 169,213.40 is: 253,836.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,432.35 : 653,189.75 = 169,213.40 : x
  2. Step 2: Convert to fraction form
    435,432.35/653,189.75 = 169,213.40/x
  3. Step 3: Cross multiply
    435,432.35x = 653,189.75 × 169,213.40
  4. Step 4: Simplify right side
    435,432.35x = 110,528,454,330.63
  5. Step 5: Solve for x
    x = 110,528,454,330.63/435,432.35
  6. Step 6: Final answer
    x = 253,836.11

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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.