Home / 372,016.15-513,193.03-243,030.13

Finding the Fourth Proportional to 372,016.15, 513,193.03 and 243,030.13

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Solution

The fourth proportional to 372,016.15, 513,193.03 and 243,030.13 is: 335,257.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,016.15 : 513,193.03 = 243,030.13 : x
  2. Step 2: Convert to fraction form
    372,016.15/513,193.03 = 243,030.13/x
  3. Step 3: Cross multiply
    372,016.15x = 513,193.03 × 243,030.13
  4. Step 4: Simplify right side
    372,016.15x = 124,721,366,905.44
  5. Step 5: Solve for x
    x = 124,721,366,905.44/372,016.15
  6. Step 6: Final answer
    x = 335,257.94

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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.