Home / 302,470.03-453,670.49-80,871.31

Finding the Fourth Proportional to 302,470.03, 453,670.49 and 80,871.31

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Solution

The fourth proportional to 302,470.03, 453,670.49 and 80,871.31 is: 121,297.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,470.03 : 453,670.49 = 80,871.31 : x
  2. Step 2: Convert to fraction form
    302,470.03/453,670.49 = 80,871.31/x
  3. Step 3: Cross multiply
    302,470.03x = 453,670.49 × 80,871.31
  4. Step 4: Simplify right side
    302,470.03x = 36,688,926,430.29
  5. Step 5: Solve for x
    x = 36,688,926,430.29/302,470.03
  6. Step 6: Final answer
    x = 121,297.72

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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.