Home / 262,426.19-393,701.75-84,933.20

Finding the Fourth Proportional to 262,426.19, 393,701.75 and 84,933.20

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Solution

The fourth proportional to 262,426.19, 393,701.75 and 84,933.20 is: 127,420.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,426.19 : 393,701.75 = 84,933.20 : x
  2. Step 2: Convert to fraction form
    262,426.19/393,701.75 = 84,933.20/x
  3. Step 3: Cross multiply
    262,426.19x = 393,701.75 × 84,933.20
  4. Step 4: Simplify right side
    262,426.19x = 33,438,349,473.10
  5. Step 5: Solve for x
    x = 33,438,349,473.10/262,426.19
  6. Step 6: Final answer
    x = 127,420.02

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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.