Home / 278,117.51-417,038.22-88,553.18

Finding the Fourth Proportional to 278,117.51, 417,038.22 and 88,553.18

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Solution

The fourth proportional to 278,117.51, 417,038.22 and 88,553.18 is: 132,785.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,117.51 : 417,038.22 = 88,553.18 : x
  2. Step 2: Convert to fraction form
    278,117.51/417,038.22 = 88,553.18/x
  3. Step 3: Cross multiply
    278,117.51x = 417,038.22 × 88,553.18
  4. Step 4: Simplify right side
    278,117.51x = 36,930,058,477.35
  5. Step 5: Solve for x
    x = 36,930,058,477.35/278,117.51
  6. Step 6: Final answer
    x = 132,785.81

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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.