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Finding the Fourth Proportional to 344,595.80, 515,727.30 and 302,605.40

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Solution

The fourth proportional to 344,595.80, 515,727.30 and 302,605.40 is: 452,883.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,595.80 : 515,727.30 = 302,605.40 : x
  2. Step 2: Convert to fraction form
    344,595.80/515,727.30 = 302,605.40/x
  3. Step 3: Cross multiply
    344,595.80x = 515,727.30 × 302,605.40
  4. Step 4: Simplify right side
    344,595.80x = 156,061,865,907.42
  5. Step 5: Solve for x
    x = 156,061,865,907.42/344,595.80
  6. Step 6: Final answer
    x = 452,883.83

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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.