Home / 302,402.04-453,651.96-91,990.50

Finding the Fourth Proportional to 302,402.04, 453,651.96 and 91,990.50

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Solution

The fourth proportional to 302,402.04, 453,651.96 and 91,990.50 is: 138,000.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,402.04 : 453,651.96 = 91,990.50 : x
  2. Step 2: Convert to fraction form
    302,402.04/453,651.96 = 91,990.50/x
  3. Step 3: Cross multiply
    302,402.04x = 453,651.96 × 91,990.50
  4. Step 4: Simplify right side
    302,402.04x = 41,731,670,626.38
  5. Step 5: Solve for x
    x = 41,731,670,626.38/302,402.04
  6. Step 6: Final answer
    x = 138,000.63

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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.