Home / 343,012.20-514,518.30-231,037.80

Finding the Fourth Proportional to 343,012.20, 514,518.30 and 231,037.80

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Solution

The fourth proportional to 343,012.20, 514,518.30 and 231,037.80 is: 346,556.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,012.20 : 514,518.30 = 231,037.80 : x
  2. Step 2: Convert to fraction form
    343,012.20/514,518.30 = 231,037.80/x
  3. Step 3: Cross multiply
    343,012.20x = 514,518.30 × 231,037.80
  4. Step 4: Simplify right side
    343,012.20x = 118,873,176,091.74
  5. Step 5: Solve for x
    x = 118,873,176,091.74/343,012.20
  6. Step 6: Final answer
    x = 346,556.70

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1.5x scale

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.