Home / 262,321.16-393,373.10-82,346.45

Finding the Fourth Proportional to 262,321.16, 393,373.10 and 82,346.45

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Solution

The fourth proportional to 262,321.16, 393,373.10 and 82,346.45 is: 123,485.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,321.16 : 393,373.10 = 82,346.45 : x
  2. Step 2: Convert to fraction form
    262,321.16/393,373.10 = 82,346.45/x
  3. Step 3: Cross multiply
    262,321.16x = 393,373.10 × 82,346.45
  4. Step 4: Simplify right side
    262,321.16x = 32,392,877,898.76
  5. Step 5: Solve for x
    x = 32,392,877,898.76/262,321.16
  6. Step 6: Final answer
    x = 123,485.57

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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.