Home / 372,017.15-513,194.41-243,031.13

Finding the Fourth Proportional to 372,017.15, 513,194.41 and 243,031.13

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Solution

The fourth proportional to 372,017.15, 513,194.41 and 243,031.13 is: 335,259.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,017.15 : 513,194.41 = 243,031.13 : x
  2. Step 2: Convert to fraction form
    372,017.15/513,194.41 = 243,031.13/x
  3. Step 3: Cross multiply
    372,017.15x = 513,194.41 × 243,031.13
  4. Step 4: Simplify right side
    372,017.15x = 124,722,217,371.98
  5. Step 5: Solve for x
    x = 124,722,217,371.98/372,017.15
  6. Step 6: Final answer
    x = 335,259.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.