Home / 435,730.20-653,465.70-169,337.40

Finding the Fourth Proportional to 435,730.20, 653,465.70 and 169,337.40

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Solution

The fourth proportional to 435,730.20, 653,465.70 and 169,337.40 is: 253,955.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,730.20 : 653,465.70 = 169,337.40 : x
  2. Step 2: Convert to fraction form
    435,730.20/653,465.70 = 169,337.40/x
  3. Step 3: Cross multiply
    435,730.20x = 653,465.70 × 169,337.40
  4. Step 4: Simplify right side
    435,730.20x = 110,656,182,627.18
  5. Step 5: Solve for x
    x = 110,656,182,627.18/435,730.20
  6. Step 6: Final answer
    x = 253,955.73

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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.