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Finding the Fourth Proportional to 170,279.68, 255,460.88 and 51,953.12

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Solution

The fourth proportional to 170,279.68, 255,460.88 and 51,953.12 is: 77,942.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,279.68 : 255,460.88 = 51,953.12 : x
  2. Step 2: Convert to fraction form
    170,279.68/255,460.88 = 51,953.12/x
  3. Step 3: Cross multiply
    170,279.68x = 255,460.88 × 51,953.12
  4. Step 4: Simplify right side
    170,279.68x = 13,271,989,753.95
  5. Step 5: Solve for x
    x = 13,271,989,753.95/170,279.68
  6. Step 6: Final answer
    x = 77,942.30

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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.