Home / 317,267.40-437,821.12-181,292.72

Finding the Fourth Proportional to 317,267.40, 437,821.12 and 181,292.72

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Solution

The fourth proportional to 317,267.40, 437,821.12 and 181,292.72 is: 250,179.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,267.40 : 437,821.12 = 181,292.72 : x
  2. Step 2: Convert to fraction form
    317,267.40/437,821.12 = 181,292.72/x
  3. Step 3: Cross multiply
    317,267.40x = 437,821.12 × 181,292.72
  4. Step 4: Simplify right side
    317,267.40x = 79,373,781,718.25
  5. Step 5: Solve for x
    x = 79,373,781,718.25/317,267.40
  6. Step 6: Final answer
    x = 250,179.44

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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.