Home / 302,354.28-453,597.03-91,986.75

Finding the Fourth Proportional to 302,354.28, 453,597.03 and 91,986.75

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Solution

The fourth proportional to 302,354.28, 453,597.03 and 91,986.75 is: 138,000.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,354.28 : 453,597.03 = 91,986.75 : x
  2. Step 2: Convert to fraction form
    302,354.28/453,597.03 = 91,986.75/x
  3. Step 3: Cross multiply
    302,354.28x = 453,597.03 × 91,986.75
  4. Step 4: Simplify right side
    302,354.28x = 41,724,916,599.35
  5. Step 5: Solve for x
    x = 41,724,916,599.35/302,354.28
  6. Step 6: Final answer
    x = 138,000.09

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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.