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Finding the Fourth Proportional to 200,338.12, 276,488.67 and 127,743.67

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Solution

The fourth proportional to 200,338.12, 276,488.67 and 127,743.67 is: 176,300.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,338.12 : 276,488.67 = 127,743.67 : x
  2. Step 2: Convert to fraction form
    200,338.12/276,488.67 = 127,743.67/x
  3. Step 3: Cross multiply
    200,338.12x = 276,488.67 × 127,743.67
  4. Step 4: Simplify right side
    200,338.12x = 35,319,677,419.22
  5. Step 5: Solve for x
    x = 35,319,677,419.22/200,338.12
  6. Step 6: Final answer
    x = 176,300.33

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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.