Home / 372,140.86-513,549.57-202,371.34

Finding the Fourth Proportional to 372,140.86, 513,549.57 and 202,371.34

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Solution

The fourth proportional to 372,140.86, 513,549.57 and 202,371.34 is: 279,269.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,140.86 : 513,549.57 = 202,371.34 : x
  2. Step 2: Convert to fraction form
    372,140.86/513,549.57 = 202,371.34/x
  3. Step 3: Cross multiply
    372,140.86x = 513,549.57 × 202,371.34
  4. Step 4: Simplify right side
    372,140.86x = 103,927,714,637.32
  5. Step 5: Solve for x
    x = 103,927,714,637.32/372,140.86
  6. Step 6: Final answer
    x = 279,269.83

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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.