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Finding the Fourth Proportional to 261,093, 360,308.70 and 147,923.40

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Solution

The fourth proportional to 261,093, 360,308.70 and 147,923.40 is: 204,134.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,093 : 360,308.70 = 147,923.40 : x
  2. Step 2: Convert to fraction form
    261,093/360,308.70 = 147,923.40/x
  3. Step 3: Cross multiply
    261,093x = 360,308.70 × 147,923.40
  4. Step 4: Simplify right side
    261,093x = 53,298,087,953.58
  5. Step 5: Solve for x
    x = 53,298,087,953.58/261,093
  6. Step 6: Final answer
    x = 204,134.50

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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.