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Finding the Fourth Proportional to 456,614.88, 630,094.32 and 255,372

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Solution

The fourth proportional to 456,614.88, 630,094.32 and 255,372 is: 352,394.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,614.88 : 630,094.32 = 255,372 : x
  2. Step 2: Convert to fraction form
    456,614.88/630,094.32 = 255,372/x
  3. Step 3: Cross multiply
    456,614.88x = 630,094.32 × 255,372
  4. Step 4: Simplify right side
    456,614.88x = 160,908,446,687.04
  5. Step 5: Solve for x
    x = 160,908,446,687.04/456,614.88
  6. Step 6: Final answer
    x = 352,394.22

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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.