Home / 229,970.02-344,956.56-80,209.75

Finding the Fourth Proportional to 229,970.02, 344,956.56 and 80,209.75

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Solution

The fourth proportional to 229,970.02, 344,956.56 and 80,209.75 is: 120,315.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,970.02 : 344,956.56 = 80,209.75 : x
  2. Step 2: Convert to fraction form
    229,970.02/344,956.56 = 80,209.75/x
  3. Step 3: Cross multiply
    229,970.02x = 344,956.56 × 80,209.75
  4. Step 4: Simplify right side
    229,970.02x = 27,668,879,438.46
  5. Step 5: Solve for x
    x = 27,668,879,438.46/229,970.02
  6. Step 6: Final answer
    x = 120,315.16

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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.