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Finding the Fourth Proportional to 175,053.80, 262,580.70 and 133,063.40

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Solution

The fourth proportional to 175,053.80, 262,580.70 and 133,063.40 is: 199,595.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,053.80 : 262,580.70 = 133,063.40 : x
  2. Step 2: Convert to fraction form
    175,053.80/262,580.70 = 133,063.40/x
  3. Step 3: Cross multiply
    175,053.80x = 262,580.70 × 133,063.40
  4. Step 4: Simplify right side
    175,053.80x = 34,939,880,716.38
  5. Step 5: Solve for x
    x = 34,939,880,716.38/175,053.80
  6. Step 6: Final answer
    x = 199,595.10

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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.