Home / 228,853.20-343,279.80-71,097.60

Finding the Fourth Proportional to 228,853.20, 343,279.80 and 71,097.60

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Solution

The fourth proportional to 228,853.20, 343,279.80 and 71,097.60 is: 106,646.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,853.20 : 343,279.80 = 71,097.60 : x
  2. Step 2: Convert to fraction form
    228,853.20/343,279.80 = 71,097.60/x
  3. Step 3: Cross multiply
    228,853.20x = 343,279.80 × 71,097.60
  4. Step 4: Simplify right side
    228,853.20x = 24,406,369,908.48
  5. Step 5: Solve for x
    x = 24,406,369,908.48/228,853.20
  6. Step 6: Final answer
    x = 106,646.40

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1.5x scale

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.