Home / 229,140.80-343,322.40-189,483.20

Finding the Fourth Proportional to 229,140.80, 343,322.40 and 189,483.20

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Solution

The fourth proportional to 229,140.80, 343,322.40 and 189,483.20 is: 283,903.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,140.80 : 343,322.40 = 189,483.20 : x
  2. Step 2: Convert to fraction form
    229,140.80/343,322.40 = 189,483.20/x
  3. Step 3: Cross multiply
    229,140.80x = 343,322.40 × 189,483.20
  4. Step 4: Simplify right side
    229,140.80x = 65,053,826,983.68
  5. Step 5: Solve for x
    x = 65,053,826,983.68/229,140.80
  6. Step 6: Final answer
    x = 283,903.29

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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.