Home / 372,017.65-513,195.09-243,031.63

Finding the Fourth Proportional to 372,017.65, 513,195.09 and 243,031.63

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Solution

The fourth proportional to 372,017.65, 513,195.09 and 243,031.63 is: 335,260.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,017.65 : 513,195.09 = 243,031.63 : x
  2. Step 2: Convert to fraction form
    372,017.65/513,195.09 = 243,031.63/x
  3. Step 3: Cross multiply
    372,017.65x = 513,195.09 × 243,031.63
  4. Step 4: Simplify right side
    372,017.65x = 124,722,639,230.70
  5. Step 5: Solve for x
    x = 124,722,639,230.70/372,017.65
  6. Step 6: Final answer
    x = 335,260.01

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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.