Home / 260,557.16-390,864.06-83,022.44

Finding the Fourth Proportional to 260,557.16, 390,864.06 and 83,022.44

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Solution

The fourth proportional to 260,557.16, 390,864.06 and 83,022.44 is: 124,542.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,557.16 : 390,864.06 = 83,022.44 : x
  2. Step 2: Convert to fraction form
    260,557.16/390,864.06 = 83,022.44/x
  3. Step 3: Cross multiply
    260,557.16x = 390,864.06 × 83,022.44
  4. Step 4: Simplify right side
    260,557.16x = 32,450,487,969.51
  5. Step 5: Solve for x
    x = 32,450,487,969.51/260,557.16
  6. Step 6: Final answer
    x = 124,542.68

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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.