Home / 258,727.16-357,034.74-145,528.04

Finding the Fourth Proportional to 258,727.16, 357,034.74 and 145,528.04

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Solution

The fourth proportional to 258,727.16, 357,034.74 and 145,528.04 is: 200,823.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,727.16 : 357,034.74 = 145,528.04 : x
  2. Step 2: Convert to fraction form
    258,727.16/357,034.74 = 145,528.04/x
  3. Step 3: Cross multiply
    258,727.16x = 357,034.74 × 145,528.04
  4. Step 4: Simplify right side
    258,727.16x = 51,958,566,270.97
  5. Step 5: Solve for x
    x = 51,958,566,270.97/258,727.16
  6. Step 6: Final answer
    x = 200,823.78

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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.