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Finding the Fourth Proportional to 170,804.30, 256,034.97 and 58,407.64

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Solution

The fourth proportional to 170,804.30, 256,034.97 and 58,407.64 is: 87,552.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,804.30 : 256,034.97 = 58,407.64 : x
  2. Step 2: Convert to fraction form
    170,804.30/256,034.97 = 58,407.64/x
  3. Step 3: Cross multiply
    170,804.30x = 256,034.97 × 58,407.64
  4. Step 4: Simplify right side
    170,804.30x = 14,954,397,715.08
  5. Step 5: Solve for x
    x = 14,954,397,715.08/170,804.30
  6. Step 6: Final answer
    x = 87,552.82

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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.