Home / 457,271.80-631,028.27-253,322.30

Finding the Fourth Proportional to 457,271.80, 631,028.27 and 253,322.30

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Solution

The fourth proportional to 457,271.80, 631,028.27 and 253,322.30 is: 349,581.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,271.80 : 631,028.27 = 253,322.30 : x
  2. Step 2: Convert to fraction form
    457,271.80/631,028.27 = 253,322.30/x
  3. Step 3: Cross multiply
    457,271.80x = 631,028.27 × 253,322.30
  4. Step 4: Simplify right side
    457,271.80x = 159,853,532,721.42
  5. Step 5: Solve for x
    x = 159,853,532,721.42/457,271.80
  6. Step 6: Final answer
    x = 349,581.00

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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.