Home / 388,917.36-583,376.22-93,429.36

Finding the Fourth Proportional to 388,917.36, 583,376.22 and 93,429.36

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Solution

The fourth proportional to 388,917.36, 583,376.22 and 93,429.36 is: 140,144.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,917.36 : 583,376.22 = 93,429.36 : x
  2. Step 2: Convert to fraction form
    388,917.36/583,376.22 = 93,429.36/x
  3. Step 3: Cross multiply
    388,917.36x = 583,376.22 × 93,429.36
  4. Step 4: Simplify right side
    388,917.36x = 54,504,466,873.82
  5. Step 5: Solve for x
    x = 54,504,466,873.82/388,917.36
  6. Step 6: Final answer
    x = 140,144.08

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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.