Home / 372,001.76-513,368.28-202,236.56

Finding the Fourth Proportional to 372,001.76, 513,368.28 and 202,236.56

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Solution

The fourth proportional to 372,001.76, 513,368.28 and 202,236.56 is: 279,089.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,001.76 : 513,368.28 = 202,236.56 : x
  2. Step 2: Convert to fraction form
    372,001.76/513,368.28 = 202,236.56/x
  3. Step 3: Cross multiply
    372,001.76x = 513,368.28 × 202,236.56
  4. Step 4: Simplify right side
    372,001.76x = 103,821,834,960.32
  5. Step 5: Solve for x
    x = 103,821,834,960.32/372,001.76
  6. Step 6: Final answer
    x = 279,089.63

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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.