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Finding the Fourth Proportional to 245,838.80, 368,758.20 and 88,010.30

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Solution

The fourth proportional to 245,838.80, 368,758.20 and 88,010.30 is: 132,015.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,838.80 : 368,758.20 = 88,010.30 : x
  2. Step 2: Convert to fraction form
    245,838.80/368,758.20 = 88,010.30/x
  3. Step 3: Cross multiply
    245,838.80x = 368,758.20 × 88,010.30
  4. Step 4: Simplify right side
    245,838.80x = 32,454,519,809.46
  5. Step 5: Solve for x
    x = 32,454,519,809.46/245,838.80
  6. Step 6: Final answer
    x = 132,015.45

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1.5x scale

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.