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Finding the Fourth Proportional to 225,373.84, 310,926.22 and 134,696.57

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Solution

The fourth proportional to 225,373.84, 310,926.22 and 134,696.57 is: 185,827.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,373.84 : 310,926.22 = 134,696.57 : x
  2. Step 2: Convert to fraction form
    225,373.84/310,926.22 = 134,696.57/x
  3. Step 3: Cross multiply
    225,373.84x = 310,926.22 × 134,696.57
  4. Step 4: Simplify right side
    225,373.84x = 41,880,693,465.69
  5. Step 5: Solve for x
    x = 41,880,693,465.69/225,373.84
  6. Step 6: Final answer
    x = 185,827.66

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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.