Home / 435,400.31-653,141.75-169,181.39

Finding the Fourth Proportional to 435,400.31, 653,141.75 and 169,181.39

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Solution

The fourth proportional to 435,400.31, 653,141.75 and 169,181.39 is: 253,788.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,400.31 : 653,141.75 = 169,181.39 : x
  2. Step 2: Convert to fraction form
    435,400.31/653,141.75 = 169,181.39/x
  3. Step 3: Cross multiply
    435,400.31x = 653,141.75 × 169,181.39
  4. Step 4: Simplify right side
    435,400.31x = 110,499,429,918.98
  5. Step 5: Solve for x
    x = 110,499,429,918.98/435,400.31
  6. Step 6: Final answer
    x = 253,788.13

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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.