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Finding the Fourth Proportional to 456,552, 630,043.92 and 255,348

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Solution

The fourth proportional to 456,552, 630,043.92 and 255,348 is: 352,381.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,552 : 630,043.92 = 255,348 : x
  2. Step 2: Convert to fraction form
    456,552/630,043.92 = 255,348/x
  3. Step 3: Cross multiply
    456,552x = 630,043.92 × 255,348
  4. Step 4: Simplify right side
    456,552x = 160,880,454,884.16
  5. Step 5: Solve for x
    x = 160,880,454,884.16/456,552
  6. Step 6: Final answer
    x = 352,381.45

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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.