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Finding the Fourth Proportional to 343,287.20, 514,930.80 and 202,973.60

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Solution

The fourth proportional to 343,287.20, 514,930.80 and 202,973.60 is: 304,460.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,287.20 : 514,930.80 = 202,973.60 : x
  2. Step 2: Convert to fraction form
    343,287.20/514,930.80 = 202,973.60/x
  3. Step 3: Cross multiply
    343,287.20x = 514,930.80 × 202,973.60
  4. Step 4: Simplify right side
    343,287.20x = 104,517,358,226.88
  5. Step 5: Solve for x
    x = 104,517,358,226.88/343,287.20
  6. Step 6: Final answer
    x = 304,460.40

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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.