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Finding the Fourth Proportional to 262,836.95, 362,714.76 and 141,978.20

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Solution

The fourth proportional to 262,836.95, 362,714.76 and 141,978.20 is: 195,929.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,836.95 : 362,714.76 = 141,978.20 : x
  2. Step 2: Convert to fraction form
    262,836.95/362,714.76 = 141,978.20/x
  3. Step 3: Cross multiply
    262,836.95x = 362,714.76 × 141,978.20
  4. Step 4: Simplify right side
    262,836.95x = 51,497,586,924.66
  5. Step 5: Solve for x
    x = 51,497,586,924.66/262,836.95
  6. Step 6: Final answer
    x = 195,929.79

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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.