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Finding the Fourth Proportional to 230,866.32, 318,600.51 and 127,500.21

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Solution

The fourth proportional to 230,866.32, 318,600.51 and 127,500.21 is: 175,953.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,866.32 : 318,600.51 = 127,500.21 : x
  2. Step 2: Convert to fraction form
    230,866.32/318,600.51 = 127,500.21/x
  3. Step 3: Cross multiply
    230,866.32x = 318,600.51 × 127,500.21
  4. Step 4: Simplify right side
    230,866.32x = 40,621,631,931.11
  5. Step 5: Solve for x
    x = 40,621,631,931.11/230,866.32
  6. Step 6: Final answer
    x = 175,953.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.