Home / 229,525.80-344,288.70-103,117.20

Finding the Fourth Proportional to 229,525.80, 344,288.70 and 103,117.20

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Solution

The fourth proportional to 229,525.80, 344,288.70 and 103,117.20 is: 154,675.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,525.80 : 344,288.70 = 103,117.20 : x
  2. Step 2: Convert to fraction form
    229,525.80/344,288.70 = 103,117.20/x
  3. Step 3: Cross multiply
    229,525.80x = 344,288.70 × 103,117.20
  4. Step 4: Simplify right side
    229,525.80x = 35,502,086,735.64
  5. Step 5: Solve for x
    x = 35,502,086,735.64/229,525.80
  6. Step 6: Final answer
    x = 154,675.80

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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.