Home / 245,199.84-338,415.20-229,191.04

Finding the Fourth Proportional to 245,199.84, 338,415.20 and 229,191.04

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Solution

The fourth proportional to 245,199.84, 338,415.20 and 229,191.04 is: 316,320.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,199.84 : 338,415.20 = 229,191.04 : x
  2. Step 2: Convert to fraction form
    245,199.84/338,415.20 = 229,191.04/x
  3. Step 3: Cross multiply
    245,199.84x = 338,415.20 × 229,191.04
  4. Step 4: Simplify right side
    245,199.84x = 77,561,731,639.81
  5. Step 5: Solve for x
    x = 77,561,731,639.81/245,199.84
  6. Step 6: Final answer
    x = 316,320.48

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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.