Home / 302,651.13-453,363.10-140,317.13

Finding the Fourth Proportional to 302,651.13, 453,363.10 and 140,317.13

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Solution

The fourth proportional to 302,651.13, 453,363.10 and 140,317.13 is: 210,191.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,651.13 : 453,363.10 = 140,317.13 : x
  2. Step 2: Convert to fraction form
    302,651.13/453,363.10 = 140,317.13/x
  3. Step 3: Cross multiply
    302,651.13x = 453,363.10 × 140,317.13
  4. Step 4: Simplify right side
    302,651.13x = 63,614,608,338.32
  5. Step 5: Solve for x
    x = 63,614,608,338.32/302,651.13
  6. Step 6: Final answer
    x = 210,191.21

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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.