Home / 259,316.20-388,974.30-101,492.20

Finding the Fourth Proportional to 259,316.20, 388,974.30 and 101,492.20

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Solution

The fourth proportional to 259,316.20, 388,974.30 and 101,492.20 is: 152,238.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,316.20 : 388,974.30 = 101,492.20 : x
  2. Step 2: Convert to fraction form
    259,316.20/388,974.30 = 101,492.20/x
  3. Step 3: Cross multiply
    259,316.20x = 388,974.30 × 101,492.20
  4. Step 4: Simplify right side
    259,316.20x = 39,477,857,450.46
  5. Step 5: Solve for x
    x = 39,477,857,450.46/259,316.20
  6. Step 6: Final answer
    x = 152,238.30

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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.