Home / 228,744.20-343,116.30-70,988.60

Finding the Fourth Proportional to 228,744.20, 343,116.30 and 70,988.60

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Solution

The fourth proportional to 228,744.20, 343,116.30 and 70,988.60 is: 106,482.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,744.20 : 343,116.30 = 70,988.60 : x
  2. Step 2: Convert to fraction form
    228,744.20/343,116.30 = 70,988.60/x
  3. Step 3: Cross multiply
    228,744.20x = 343,116.30 × 70,988.60
  4. Step 4: Simplify right side
    228,744.20x = 24,357,345,774.18
  5. Step 5: Solve for x
    x = 24,357,345,774.18/228,744.20
  6. Step 6: Final answer
    x = 106,482.90

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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.