Home / 258,972.68-357,388.98-145,799.48

Finding the Fourth Proportional to 258,972.68, 357,388.98 and 145,799.48

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Solution

The fourth proportional to 258,972.68, 357,388.98 and 145,799.48 is: 201,207.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,972.68 : 357,388.98 = 145,799.48 : x
  2. Step 2: Convert to fraction form
    258,972.68/357,388.98 = 145,799.48/x
  3. Step 3: Cross multiply
    258,972.68x = 357,388.98 × 145,799.48
  4. Step 4: Simplify right side
    258,972.68x = 52,107,127,441.73
  5. Step 5: Solve for x
    x = 52,107,127,441.73/258,972.68
  6. Step 6: Final answer
    x = 201,207.04

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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.