Home / 229,638.20-344,466.90-122,977.40

Finding the Fourth Proportional to 229,638.20, 344,466.90 and 122,977.40

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Solution

The fourth proportional to 229,638.20, 344,466.90 and 122,977.40 is: 184,471.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,638.20 : 344,466.90 = 122,977.40 : x
  2. Step 2: Convert to fraction form
    229,638.20/344,466.90 = 122,977.40/x
  3. Step 3: Cross multiply
    229,638.20x = 344,466.90 × 122,977.40
  4. Step 4: Simplify right side
    229,638.20x = 42,361,643,748.06
  5. Step 5: Solve for x
    x = 42,361,643,748.06/229,638.20
  6. Step 6: Final answer
    x = 184,471.24

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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.