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Finding the Fourth Proportional to 254,479, 351,224.23 and 147,111.28

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Solution

The fourth proportional to 254,479, 351,224.23 and 147,111.28 is: 203,038.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,479 : 351,224.23 = 147,111.28 : x
  2. Step 2: Convert to fraction form
    254,479/351,224.23 = 147,111.28/x
  3. Step 3: Cross multiply
    254,479x = 351,224.23 × 147,111.28
  4. Step 4: Simplify right side
    254,479x = 51,669,046,042.31
  5. Step 5: Solve for x
    x = 51,669,046,042.31/254,479
  6. Step 6: Final answer
    x = 203,038.55

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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.