Home / 435,844.29-653,803.95-120,301.20

Finding the Fourth Proportional to 435,844.29, 653,803.95 and 120,301.20

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Solution

The fourth proportional to 435,844.29, 653,803.95 and 120,301.20 is: 180,462.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,844.29 : 653,803.95 = 120,301.20 : x
  2. Step 2: Convert to fraction form
    435,844.29/653,803.95 = 120,301.20/x
  3. Step 3: Cross multiply
    435,844.29x = 653,803.95 × 120,301.20
  4. Step 4: Simplify right side
    435,844.29x = 78,653,400,200.87
  5. Step 5: Solve for x
    x = 78,653,400,200.87/435,844.29
  6. Step 6: Final answer
    x = 180,462.15

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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.