Home / 258,120.07-356,062.13-239,853.35

Finding the Fourth Proportional to 258,120.07, 356,062.13 and 239,853.35

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Solution

The fourth proportional to 258,120.07, 356,062.13 and 239,853.35 is: 330,864.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,120.07 : 356,062.13 = 239,853.35 : x
  2. Step 2: Convert to fraction form
    258,120.07/356,062.13 = 239,853.35/x
  3. Step 3: Cross multiply
    258,120.07x = 356,062.13 × 239,853.35
  4. Step 4: Simplify right side
    258,120.07x = 85,402,695,278.97
  5. Step 5: Solve for x
    x = 85,402,695,278.97/258,120.07
  6. Step 6: Final answer
    x = 330,864.22

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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.