Home / 331,539.02-457,511.55-202,693.28

Finding the Fourth Proportional to 331,539.02, 457,511.55 and 202,693.28

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Solution

The fourth proportional to 331,539.02, 457,511.55 and 202,693.28 is: 279,709.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,539.02 : 457,511.55 = 202,693.28 : x
  2. Step 2: Convert to fraction form
    331,539.02/457,511.55 = 202,693.28/x
  3. Step 3: Cross multiply
    331,539.02x = 457,511.55 × 202,693.28
  4. Step 4: Simplify right side
    331,539.02x = 92,734,516,707.38
  5. Step 5: Solve for x
    x = 92,734,516,707.38/331,539.02
  6. Step 6: Final answer
    x = 279,709.21

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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.