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Finding the Fourth Proportional to 228,802.59, 315,742.23 and 132,006.74

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Solution

The fourth proportional to 228,802.59, 315,742.23 and 132,006.74 is: 182,166.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,802.59 : 315,742.23 = 132,006.74 : x
  2. Step 2: Convert to fraction form
    228,802.59/315,742.23 = 132,006.74/x
  3. Step 3: Cross multiply
    228,802.59x = 315,742.23 × 132,006.74
  4. Step 4: Simplify right side
    228,802.59x = 41,680,100,883.92
  5. Step 5: Solve for x
    x = 41,680,100,883.92/228,802.59
  6. Step 6: Final answer
    x = 182,166.21

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1.5x scale

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.