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Finding the Fourth Proportional to 230,066.68, 317,488.24 and 129,464.68

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Solution

The fourth proportional to 230,066.68, 317,488.24 and 129,464.68 is: 178,659.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,066.68 : 317,488.24 = 129,464.68 : x
  2. Step 2: Convert to fraction form
    230,066.68/317,488.24 = 129,464.68/x
  3. Step 3: Cross multiply
    230,066.68x = 317,488.24 × 129,464.68
  4. Step 4: Simplify right side
    230,066.68x = 41,103,513,395.36
  5. Step 5: Solve for x
    x = 41,103,513,395.36/230,066.68
  6. Step 6: Final answer
    x = 178,659.13

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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.