Home / 229,900.61-344,852.71-80,140.46

Finding the Fourth Proportional to 229,900.61, 344,852.71 and 80,140.46

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Solution

The fourth proportional to 229,900.61, 344,852.71 and 80,140.46 is: 120,211.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,900.61 : 344,852.71 = 80,140.46 : x
  2. Step 2: Convert to fraction form
    229,900.61/344,852.71 = 80,140.46/x
  3. Step 3: Cross multiply
    229,900.61x = 344,852.71 × 80,140.46
  4. Step 4: Simplify right side
    229,900.61x = 27,636,652,887.03
  5. Step 5: Solve for x
    x = 27,636,652,887.03/229,900.61
  6. Step 6: Final answer
    x = 120,211.31

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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.