Home / 228,749.28-342,657.12-117,708

Finding the Fourth Proportional to 228,749.28, 342,657.12 and 117,708

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Solution

The fourth proportional to 228,749.28, 342,657.12 and 117,708 is: 176,321.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,749.28 : 342,657.12 = 117,708 : x
  2. Step 2: Convert to fraction form
    228,749.28/342,657.12 = 117,708/x
  3. Step 3: Cross multiply
    228,749.28x = 342,657.12 × 117,708
  4. Step 4: Simplify right side
    228,749.28x = 40,333,484,280.96
  5. Step 5: Solve for x
    x = 40,333,484,280.96/228,749.28
  6. Step 6: Final answer
    x = 176,321.80

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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.