Home / 229,826.40-344,739.60-205,720.80

Finding the Fourth Proportional to 229,826.40, 344,739.60 and 205,720.80

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Solution

The fourth proportional to 229,826.40, 344,739.60 and 205,720.80 is: 308,581.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,826.40 : 344,739.60 = 205,720.80 : x
  2. Step 2: Convert to fraction form
    229,826.40/344,739.60 = 205,720.80/x
  3. Step 3: Cross multiply
    229,826.40x = 344,739.60 × 205,720.80
  4. Step 4: Simplify right side
    229,826.40x = 70,920,106,303.68
  5. Step 5: Solve for x
    x = 70,920,106,303.68/229,826.40
  6. Step 6: Final answer
    x = 308,581.20

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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.