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Finding the Fourth Proportional to 228,841.16, 342,945.84 and 165,153.56

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Solution

The fourth proportional to 228,841.16, 342,945.84 and 165,153.56 is: 247,502.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,841.16 : 342,945.84 = 165,153.56 : x
  2. Step 2: Convert to fraction form
    228,841.16/342,945.84 = 165,153.56/x
  3. Step 3: Cross multiply
    228,841.16x = 342,945.84 × 165,153.56
  4. Step 4: Simplify right side
    228,841.16x = 56,638,726,363.19
  5. Step 5: Solve for x
    x = 56,638,726,363.19/228,841.16
  6. Step 6: Final answer
    x = 247,502.36

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1.5x scale

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.