Home / 236,442.70-354,664.05-147,869.20

Finding the Fourth Proportional to 236,442.70, 354,664.05 and 147,869.20

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Solution

The fourth proportional to 236,442.70, 354,664.05 and 147,869.20 is: 221,803.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,442.70 : 354,664.05 = 147,869.20 : x
  2. Step 2: Convert to fraction form
    236,442.70/354,664.05 = 147,869.20/x
  3. Step 3: Cross multiply
    236,442.70x = 354,664.05 × 147,869.20
  4. Step 4: Simplify right side
    236,442.70x = 52,443,889,342.26
  5. Step 5: Solve for x
    x = 52,443,889,342.26/236,442.70
  6. Step 6: Final answer
    x = 221,803.80

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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.