Home / 457,269.30-631,024.83-253,319.81

Finding the Fourth Proportional to 457,269.30, 631,024.83 and 253,319.81

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Solution

The fourth proportional to 457,269.30, 631,024.83 and 253,319.81 is: 349,577.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,269.30 : 631,024.83 = 253,319.81 : x
  2. Step 2: Convert to fraction form
    457,269.30/631,024.83 = 253,319.81/x
  3. Step 3: Cross multiply
    457,269.30x = 631,024.83 × 253,319.81
  4. Step 4: Simplify right side
    457,269.30x = 159,851,086,885.76
  5. Step 5: Solve for x
    x = 159,851,086,885.76/457,269.30
  6. Step 6: Final answer
    x = 349,577.56

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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.