Home / 328,058.10-492,087.15-106,442.10

Finding the Fourth Proportional to 328,058.10, 492,087.15 and 106,442.10

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Solution

The fourth proportional to 328,058.10, 492,087.15 and 106,442.10 is: 159,663.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,058.10 : 492,087.15 = 106,442.10 : x
  2. Step 2: Convert to fraction form
    328,058.10/492,087.15 = 106,442.10/x
  3. Step 3: Cross multiply
    328,058.10x = 492,087.15 × 106,442.10
  4. Step 4: Simplify right side
    328,058.10x = 52,378,789,629.02
  5. Step 5: Solve for x
    x = 52,378,789,629.02/328,058.10
  6. Step 6: Final answer
    x = 159,663.15

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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.