Home / 372,631.52-514,231.12-202,865.64

Finding the Fourth Proportional to 372,631.52, 514,231.12 and 202,865.64

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Solution

The fourth proportional to 372,631.52, 514,231.12 and 202,865.64 is: 279,954.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,631.52 : 514,231.12 = 202,865.64 : x
  2. Step 2: Convert to fraction form
    372,631.52/514,231.12 = 202,865.64/x
  3. Step 3: Cross multiply
    372,631.52x = 514,231.12 × 202,865.64
  4. Step 4: Simplify right side
    372,631.52x = 104,319,825,266.72
  5. Step 5: Solve for x
    x = 104,319,825,266.72/372,631.52
  6. Step 6: Final answer
    x = 279,954.38

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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.