Home / 258,360.13-387,464.86-100,551.07

Finding the Fourth Proportional to 258,360.13, 387,464.86 and 100,551.07

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Solution

The fourth proportional to 258,360.13, 387,464.86 and 100,551.07 is: 150,797.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,360.13 : 387,464.86 = 100,551.07 : x
  2. Step 2: Convert to fraction form
    258,360.13/387,464.86 = 100,551.07/x
  3. Step 3: Cross multiply
    258,360.13x = 387,464.86 × 100,551.07
  4. Step 4: Simplify right side
    258,360.13x = 38,960,006,260.40
  5. Step 5: Solve for x
    x = 38,960,006,260.40/258,360.13
  6. Step 6: Final answer
    x = 150,797.29

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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.