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Finding the Fourth Proportional to 457,251.77, 631,007.34 and 253,315.94

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Solution

The fourth proportional to 457,251.77, 631,007.34 and 253,315.94 is: 349,575.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,251.77 : 631,007.34 = 253,315.94 : x
  2. Step 2: Convert to fraction form
    457,251.77/631,007.34 = 253,315.94/x
  3. Step 3: Cross multiply
    457,251.77x = 631,007.34 × 253,315.94
  4. Step 4: Simplify right side
    457,251.77x = 159,844,213,374.03
  5. Step 5: Solve for x
    x = 159,844,213,374.03/457,251.77
  6. Step 6: Final answer
    x = 349,575.93

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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.