Home / 262,319.15-393,370.10-82,344.44

Finding the Fourth Proportional to 262,319.15, 393,370.10 and 82,344.44

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Solution

The fourth proportional to 262,319.15, 393,370.10 and 82,344.44 is: 123,482.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,319.15 : 393,370.10 = 82,344.44 : x
  2. Step 2: Convert to fraction form
    262,319.15/393,370.10 = 82,344.44/x
  3. Step 3: Cross multiply
    262,319.15x = 393,370.10 × 82,344.44
  4. Step 4: Simplify right side
    262,319.15x = 32,391,841,477.74
  5. Step 5: Solve for x
    x = 32,391,841,477.74/262,319.15
  6. Step 6: Final answer
    x = 123,482.56

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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.