Home / 215,988.45-323,720.01-152,826.77

Finding the Fourth Proportional to 215,988.45, 323,720.01 and 152,826.77

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Solution

The fourth proportional to 215,988.45, 323,720.01 and 152,826.77 is: 229,054.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,988.45 : 323,720.01 = 152,826.77 : x
  2. Step 2: Convert to fraction form
    215,988.45/323,720.01 = 152,826.77/x
  3. Step 3: Cross multiply
    215,988.45x = 323,720.01 × 152,826.77
  4. Step 4: Simplify right side
    215,988.45x = 49,473,084,321.97
  5. Step 5: Solve for x
    x = 49,473,084,321.97/215,988.45
  6. Step 6: Final answer
    x = 229,054.31

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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.