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Finding the Fourth Proportional to 457,612.24, 631,509.12 and 253,665.36

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Solution

The fourth proportional to 457,612.24, 631,509.12 and 253,665.36 is: 350,060.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,612.24 : 631,509.12 = 253,665.36 : x
  2. Step 2: Convert to fraction form
    457,612.24/631,509.12 = 253,665.36/x
  3. Step 3: Cross multiply
    457,612.24x = 631,509.12 × 253,665.36
  4. Step 4: Simplify right side
    457,612.24x = 160,191,988,268.08
  5. Step 5: Solve for x
    x = 160,191,988,268.08/457,612.24
  6. Step 6: Final answer
    x = 350,060.54

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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.