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Finding the Fourth Proportional to 243,878.80, 367,646.12 and 227,622.10

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Solution

The fourth proportional to 243,878.80, 367,646.12 and 227,622.10 is: 343,139.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,878.80 : 367,646.12 = 227,622.10 : x
  2. Step 2: Convert to fraction form
    243,878.80/367,646.12 = 227,622.10/x
  3. Step 3: Cross multiply
    243,878.80x = 367,646.12 × 227,622.10
  4. Step 4: Simplify right side
    243,878.80x = 83,684,381,891.25
  5. Step 5: Solve for x
    x = 83,684,381,891.25/243,878.80
  6. Step 6: Final answer
    x = 343,139.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.