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Finding the Fourth Proportional to 243,806.67, 336,437.37 and 136,358.10

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Solution

The fourth proportional to 243,806.67, 336,437.37 and 136,358.10 is: 188,165.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,806.67 : 336,437.37 = 136,358.10 : x
  2. Step 2: Convert to fraction form
    243,806.67/336,437.37 = 136,358.10/x
  3. Step 3: Cross multiply
    243,806.67x = 336,437.37 × 136,358.10
  4. Step 4: Simplify right side
    243,806.67x = 45,875,960,542.20
  5. Step 5: Solve for x
    x = 45,875,960,542.20/243,806.67
  6. Step 6: Final answer
    x = 188,165.32

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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.