Home / 296,922.51-445,336.38-86,511.24

Finding the Fourth Proportional to 296,922.51, 445,336.38 and 86,511.24

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Solution

The fourth proportional to 296,922.51, 445,336.38 and 86,511.24 is: 129,753.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,922.51 : 445,336.38 = 86,511.24 : x
  2. Step 2: Convert to fraction form
    296,922.51/445,336.38 = 86,511.24/x
  3. Step 3: Cross multiply
    296,922.51x = 445,336.38 × 86,511.24
  4. Step 4: Simplify right side
    296,922.51x = 38,526,602,450.91
  5. Step 5: Solve for x
    x = 38,526,602,450.91/296,922.51
  6. Step 6: Final answer
    x = 129,753.05

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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.