Home / 260,372.56-390,542.34-83,006.84

Finding the Fourth Proportional to 260,372.56, 390,542.34 and 83,006.84

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Solution

The fourth proportional to 260,372.56, 390,542.34 and 83,006.84 is: 124,505.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,372.56 : 390,542.34 = 83,006.84 : x
  2. Step 2: Convert to fraction form
    260,372.56/390,542.34 = 83,006.84/x
  3. Step 3: Cross multiply
    260,372.56x = 390,542.34 × 83,006.84
  4. Step 4: Simplify right side
    260,372.56x = 32,417,685,529.61
  5. Step 5: Solve for x
    x = 32,417,685,529.61/260,372.56
  6. Step 6: Final answer
    x = 124,505.00

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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.