Home / 302,323.13-453,500.57-77,685.05

Finding the Fourth Proportional to 302,323.13, 453,500.57 and 77,685.05

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Solution

The fourth proportional to 302,323.13, 453,500.57 and 77,685.05 is: 116,531.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,323.13 : 453,500.57 = 77,685.05 : x
  2. Step 2: Convert to fraction form
    302,323.13/453,500.57 = 77,685.05/x
  3. Step 3: Cross multiply
    302,323.13x = 453,500.57 × 77,685.05
  4. Step 4: Simplify right side
    302,323.13x = 35,230,214,507.97
  5. Step 5: Solve for x
    x = 35,230,214,507.97/302,323.13
  6. Step 6: Final answer
    x = 116,531.65

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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.