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Finding the Fourth Proportional to 259,317.64, 388,743.02 and 93,066.76

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Solution

The fourth proportional to 259,317.64, 388,743.02 and 93,066.76 is: 139,516.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,317.64 : 388,743.02 = 93,066.76 : x
  2. Step 2: Convert to fraction form
    259,317.64/388,743.02 = 93,066.76/x
  3. Step 3: Cross multiply
    259,317.64x = 388,743.02 × 93,066.76
  4. Step 4: Simplify right side
    259,317.64x = 36,179,053,344.02
  5. Step 5: Solve for x
    x = 36,179,053,344.02/259,317.64
  6. Step 6: Final answer
    x = 139,516.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.