Home / 353,129.17-487,296.42-198,071.93

Finding the Fourth Proportional to 353,129.17, 487,296.42 and 198,071.93

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Solution

The fourth proportional to 353,129.17, 487,296.42 and 198,071.93 is: 273,327.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,129.17 : 487,296.42 = 198,071.93 : x
  2. Step 2: Convert to fraction form
    353,129.17/487,296.42 = 198,071.93/x
  3. Step 3: Cross multiply
    353,129.17x = 487,296.42 × 198,071.93
  4. Step 4: Simplify right side
    353,129.17x = 96,519,742,391.49
  5. Step 5: Solve for x
    x = 96,519,742,391.49/353,129.17
  6. Step 6: Final answer
    x = 273,327.02

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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.