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Finding the Fourth Proportional to 226,865.60, 340,298.40 and 121,630.40

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Solution

The fourth proportional to 226,865.60, 340,298.40 and 121,630.40 is: 182,445.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,865.60 : 340,298.40 = 121,630.40 : x
  2. Step 2: Convert to fraction form
    226,865.60/340,298.40 = 121,630.40/x
  3. Step 3: Cross multiply
    226,865.60x = 340,298.40 × 121,630.40
  4. Step 4: Simplify right side
    226,865.60x = 41,390,630,511.36
  5. Step 5: Solve for x
    x = 41,390,630,511.36/226,865.60
  6. Step 6: Final answer
    x = 182,445.60

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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.