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Finding the Fourth Proportional to 202,329.88, 279,320.10 and 147,820.84

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Solution

The fourth proportional to 202,329.88, 279,320.10 and 147,820.84 is: 204,069.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,329.88 : 279,320.10 = 147,820.84 : x
  2. Step 2: Convert to fraction form
    202,329.88/279,320.10 = 147,820.84/x
  3. Step 3: Cross multiply
    202,329.88x = 279,320.10 × 147,820.84
  4. Step 4: Simplify right side
    202,329.88x = 41,289,331,810.88
  5. Step 5: Solve for x
    x = 41,289,331,810.88/202,329.88
  6. Step 6: Final answer
    x = 204,069.37

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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.