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Finding the Fourth Proportional to 295,655.32, 408,004.19 and 159,689.20

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Solution

The fourth proportional to 295,655.32, 408,004.19 and 159,689.20 is: 220,371.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,655.32 : 408,004.19 = 159,689.20 : x
  2. Step 2: Convert to fraction form
    295,655.32/408,004.19 = 159,689.20/x
  3. Step 3: Cross multiply
    295,655.32x = 408,004.19 × 159,689.20
  4. Step 4: Simplify right side
    295,655.32x = 65,153,862,697.75
  5. Step 5: Solve for x
    x = 65,153,862,697.75/295,655.32
  6. Step 6: Final answer
    x = 220,371.01

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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.