Home / 351,022.80-526,534.20-209,305.20

Finding the Fourth Proportional to 351,022.80, 526,534.20 and 209,305.20

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Solution

The fourth proportional to 351,022.80, 526,534.20 and 209,305.20 is: 313,957.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,022.80 : 526,534.20 = 209,305.20 : x
  2. Step 2: Convert to fraction form
    351,022.80/526,534.20 = 209,305.20/x
  3. Step 3: Cross multiply
    351,022.80x = 526,534.20 × 209,305.20
  4. Step 4: Simplify right side
    351,022.80x = 110,206,346,037.84
  5. Step 5: Solve for x
    x = 110,206,346,037.84/351,022.80
  6. Step 6: Final answer
    x = 313,957.80

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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.