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Finding the Fourth Proportional to 259,801.39, 358,393.83 and 157,799.71

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Solution

The fourth proportional to 259,801.39, 358,393.83 and 157,799.71 is: 217,683.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,801.39 : 358,393.83 = 157,799.71 : x
  2. Step 2: Convert to fraction form
    259,801.39/358,393.83 = 157,799.71/x
  3. Step 3: Cross multiply
    259,801.39x = 358,393.83 × 157,799.71
  4. Step 4: Simplify right side
    259,801.39x = 56,554,442,439.79
  5. Step 5: Solve for x
    x = 56,554,442,439.79/259,801.39
  6. Step 6: Final answer
    x = 217,683.37

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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.