Home / 258,920.24-357,331.32-144,220.88

Finding the Fourth Proportional to 258,920.24, 357,331.32 and 144,220.88

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Solution

The fourth proportional to 258,920.24, 357,331.32 and 144,220.88 is: 199,036.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,920.24 : 357,331.32 = 144,220.88 : x
  2. Step 2: Convert to fraction form
    258,920.24/357,331.32 = 144,220.88/x
  3. Step 3: Cross multiply
    258,920.24x = 357,331.32 × 144,220.88
  4. Step 4: Simplify right side
    258,920.24x = 51,534,637,421.96
  5. Step 5: Solve for x
    x = 51,534,637,421.96/258,920.24
  6. Step 6: Final answer
    x = 199,036.73

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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.