Home / 372,438.08-513,963.60-202,672.16

Finding the Fourth Proportional to 372,438.08, 513,963.60 and 202,672.16

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Solution

The fourth proportional to 372,438.08, 513,963.60 and 202,672.16 is: 279,687.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,438.08 : 513,963.60 = 202,672.16 : x
  2. Step 2: Convert to fraction form
    372,438.08/513,963.60 = 202,672.16/x
  3. Step 3: Cross multiply
    372,438.08x = 513,963.60 × 202,672.16
  4. Step 4: Simplify right side
    372,438.08x = 104,166,112,973.38
  5. Step 5: Solve for x
    x = 104,166,112,973.38/372,438.08
  6. Step 6: Final answer
    x = 279,687.06

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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.