Home / 435,499.21-653,248.50-136,005.45

Finding the Fourth Proportional to 435,499.21, 653,248.50 and 136,005.45

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Solution

The fourth proportional to 435,499.21, 653,248.50 and 136,005.45 is: 204,008.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,499.21 : 653,248.50 = 136,005.45 : x
  2. Step 2: Convert to fraction form
    435,499.21/653,248.50 = 136,005.45/x
  3. Step 3: Cross multiply
    435,499.21x = 653,248.50 × 136,005.45
  4. Step 4: Simplify right side
    435,499.21x = 88,845,356,204.33
  5. Step 5: Solve for x
    x = 88,845,356,204.33/435,499.21
  6. Step 6: Final answer
    x = 204,008.08

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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.