Home / 286,058.24-428,990.16-99,026

Finding the Fourth Proportional to 286,058.24, 428,990.16 and 99,026

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Solution

The fourth proportional to 286,058.24, 428,990.16 and 99,026 is: 148,505.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,058.24 : 428,990.16 = 99,026 : x
  2. Step 2: Convert to fraction form
    286,058.24/428,990.16 = 99,026/x
  3. Step 3: Cross multiply
    286,058.24x = 428,990.16 × 99,026
  4. Step 4: Simplify right side
    286,058.24x = 42,481,179,584.16
  5. Step 5: Solve for x
    x = 42,481,179,584.16/286,058.24
  6. Step 6: Final answer
    x = 148,505.35

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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.