Home / 296,381.33-444,572.30-138,720.50

Finding the Fourth Proportional to 296,381.33, 444,572.30 and 138,720.50

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Solution

The fourth proportional to 296,381.33, 444,572.30 and 138,720.50 is: 208,080.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,381.33 : 444,572.30 = 138,720.50 : x
  2. Step 2: Convert to fraction form
    296,381.33/444,572.30 = 138,720.50/x
  3. Step 3: Cross multiply
    296,381.33x = 444,572.30 × 138,720.50
  4. Step 4: Simplify right side
    296,381.33x = 61,671,290,752.93
  5. Step 5: Solve for x
    x = 61,671,290,752.93/296,381.33
  6. Step 6: Final answer
    x = 208,080.89

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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.