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Finding the Fourth Proportional to 259,124.79, 387,809.31 and 159,348.18

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Solution

The fourth proportional to 259,124.79, 387,809.31 and 159,348.18 is: 238,482.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,124.79 : 387,809.31 = 159,348.18 : x
  2. Step 2: Convert to fraction form
    259,124.79/387,809.31 = 159,348.18/x
  3. Step 3: Cross multiply
    259,124.79x = 387,809.31 × 159,348.18
  4. Step 4: Simplify right side
    259,124.79x = 61,796,707,735.56
  5. Step 5: Solve for x
    x = 61,796,707,735.56/259,124.79
  6. Step 6: Final answer
    x = 238,482.42

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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.