Home / 347,730.20-521,465.70-242,235.80

Finding the Fourth Proportional to 347,730.20, 521,465.70 and 242,235.80

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Solution

The fourth proportional to 347,730.20, 521,465.70 and 242,235.80 is: 363,263.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,730.20 : 521,465.70 = 242,235.80 : x
  2. Step 2: Convert to fraction form
    347,730.20/521,465.70 = 242,235.80/x
  3. Step 3: Cross multiply
    347,730.20x = 521,465.70 × 242,235.80
  4. Step 4: Simplify right side
    347,730.20x = 126,317,661,012.06
  5. Step 5: Solve for x
    x = 126,317,661,012.06/347,730.20
  6. Step 6: Final answer
    x = 363,263.42

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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.