Home / 388,385.31-582,576.78-174,903.27

Finding the Fourth Proportional to 388,385.31, 582,576.78 and 174,903.27

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Solution

The fourth proportional to 388,385.31, 582,576.78 and 174,903.27 is: 262,354.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,385.31 : 582,576.78 = 174,903.27 : x
  2. Step 2: Convert to fraction form
    388,385.31/582,576.78 = 174,903.27/x
  3. Step 3: Cross multiply
    388,385.31x = 582,576.78 × 174,903.27
  4. Step 4: Simplify right side
    388,385.31x = 101,894,583,848.07
  5. Step 5: Solve for x
    x = 101,894,583,848.07/388,385.31
  6. Step 6: Final answer
    x = 262,354.37

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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.