Home / 242,210.20-363,315.30-231,323.80

Finding the Fourth Proportional to 242,210.20, 363,315.30 and 231,323.80

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Solution

The fourth proportional to 242,210.20, 363,315.30 and 231,323.80 is: 346,985.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,210.20 : 363,315.30 = 231,323.80 : x
  2. Step 2: Convert to fraction form
    242,210.20/363,315.30 = 231,323.80/x
  3. Step 3: Cross multiply
    242,210.20x = 363,315.30 × 231,323.80
  4. Step 4: Simplify right side
    242,210.20x = 84,043,475,794.14
  5. Step 5: Solve for x
    x = 84,043,475,794.14/242,210.20
  6. Step 6: Final answer
    x = 346,985.70

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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.