Home / 258,866.28-357,225.80-144,149.02

Finding the Fourth Proportional to 258,866.28, 357,225.80 and 144,149.02

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Solution

The fourth proportional to 258,866.28, 357,225.80 and 144,149.02 is: 198,920.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,866.28 : 357,225.80 = 144,149.02 : x
  2. Step 2: Convert to fraction form
    258,866.28/357,225.80 = 144,149.02/x
  3. Step 3: Cross multiply
    258,866.28x = 357,225.80 × 144,149.02
  4. Step 4: Simplify right side
    258,866.28x = 51,493,747,374.91
  5. Step 5: Solve for x
    x = 51,493,747,374.91/258,866.28
  6. Step 6: Final answer
    x = 198,920.26

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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.