Home / 258,523.02-387,781.59-100,862.19

Finding the Fourth Proportional to 258,523.02, 387,781.59 and 100,862.19

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Solution

The fourth proportional to 258,523.02, 387,781.59 and 100,862.19 is: 151,292.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,523.02 : 387,781.59 = 100,862.19 : x
  2. Step 2: Convert to fraction form
    258,523.02/387,781.59 = 100,862.19/x
  3. Step 3: Cross multiply
    258,523.02x = 387,781.59 × 100,862.19
  4. Step 4: Simplify right side
    258,523.02x = 39,112,500,409.08
  5. Step 5: Solve for x
    x = 39,112,500,409.08/258,523.02
  6. Step 6: Final answer
    x = 151,292.14

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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.