Home / 215,329.19-322,870.70-65,525.18

Finding the Fourth Proportional to 215,329.19, 322,870.70 and 65,525.18

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Solution

The fourth proportional to 215,329.19, 322,870.70 and 65,525.18 is: 98,250.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,329.19 : 322,870.70 = 65,525.18 : x
  2. Step 2: Convert to fraction form
    215,329.19/322,870.70 = 65,525.18/x
  3. Step 3: Cross multiply
    215,329.19x = 322,870.70 × 65,525.18
  4. Step 4: Simplify right side
    215,329.19x = 21,156,159,119.87
  5. Step 5: Solve for x
    x = 21,156,159,119.87/215,329.19
  6. Step 6: Final answer
    x = 98,250.31

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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.