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Finding the Fourth Proportional to 170,470.80, 256,013.40 and 164,941.20

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Solution

The fourth proportional to 170,470.80, 256,013.40 and 164,941.20 is: 247,709.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,470.80 : 256,013.40 = 164,941.20 : x
  2. Step 2: Convert to fraction form
    170,470.80/256,013.40 = 164,941.20/x
  3. Step 3: Cross multiply
    170,470.80x = 256,013.40 × 164,941.20
  4. Step 4: Simplify right side
    170,470.80x = 42,227,157,412.08
  5. Step 5: Solve for x
    x = 42,227,157,412.08/170,470.80
  6. Step 6: Final answer
    x = 247,709.04

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1.5x scale

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.