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Finding the Fourth Proportional to 259,801.89, 358,394.52 and 157,800.21

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Solution

The fourth proportional to 259,801.89, 358,394.52 and 157,800.21 is: 217,684.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,801.89 : 358,394.52 = 157,800.21 : x
  2. Step 2: Convert to fraction form
    259,801.89/358,394.52 = 157,800.21/x
  3. Step 3: Cross multiply
    259,801.89x = 358,394.52 × 157,800.21
  4. Step 4: Simplify right side
    259,801.89x = 56,554,730,518.85
  5. Step 5: Solve for x
    x = 56,554,730,518.85/259,801.89
  6. Step 6: Final answer
    x = 217,684.06

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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.