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Finding the Fourth Proportional to 410,074.63, 615,386.49 and 170,188.73

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Solution

The fourth proportional to 410,074.63, 615,386.49 and 170,188.73 is: 255,397.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,074.63 : 615,386.49 = 170,188.73 : x
  2. Step 2: Convert to fraction form
    410,074.63/615,386.49 = 170,188.73/x
  3. Step 3: Cross multiply
    410,074.63x = 615,386.49 × 170,188.73
  4. Step 4: Simplify right side
    410,074.63x = 104,731,843,784.82
  5. Step 5: Solve for x
    x = 104,731,843,784.82/410,074.63
  6. Step 6: Final answer
    x = 255,397.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.