Home / 302,008.13-453,012.19-80,392.13

Finding the Fourth Proportional to 302,008.13, 453,012.19 and 80,392.13

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Solution

The fourth proportional to 302,008.13, 453,012.19 and 80,392.13 is: 120,588.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,008.13 : 453,012.19 = 80,392.13 : x
  2. Step 2: Convert to fraction form
    302,008.13/453,012.19 = 80,392.13/x
  3. Step 3: Cross multiply
    302,008.13x = 453,012.19 × 80,392.13
  4. Step 4: Simplify right side
    302,008.13x = 36,418,614,870.06
  5. Step 5: Solve for x
    x = 36,418,614,870.06/302,008.13
  6. Step 6: Final answer
    x = 120,588.19

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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.