Home / 639,129.95-959,030.27-240,046.19

Finding the Fourth Proportional to 639,129.95, 959,030.27 and 240,046.19

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Solution

The fourth proportional to 639,129.95, 959,030.27 and 240,046.19 is: 360,195.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,129.95 : 959,030.27 = 240,046.19 : x
  2. Step 2: Convert to fraction form
    639,129.95/959,030.27 = 240,046.19/x
  3. Step 3: Cross multiply
    639,129.95x = 959,030.27 × 240,046.19
  4. Step 4: Simplify right side
    639,129.95x = 230,211,562,408.17
  5. Step 5: Solve for x
    x = 230,211,562,408.17/639,129.95
  6. Step 6: Final answer
    x = 360,195.23

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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.