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Finding the Fourth Proportional to 400,170.06, 600,210.88 and 100,650.76

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Solution

The fourth proportional to 400,170.06, 600,210.88 and 100,650.76 is: 150,965.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,170.06 : 600,210.88 = 100,650.76 : x
  2. Step 2: Convert to fraction form
    400,170.06/600,210.88 = 100,650.76/x
  3. Step 3: Cross multiply
    400,170.06x = 600,210.88 × 100,650.76
  4. Step 4: Simplify right side
    400,170.06x = 60,411,681,232.27
  5. Step 5: Solve for x
    x = 60,411,681,232.27/400,170.06
  6. Step 6: Final answer
    x = 150,965.02

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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.