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Finding the Fourth Proportional to 302,270.78, 453,389.73 and 91,892.30

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Solution

The fourth proportional to 302,270.78, 453,389.73 and 91,892.30 is: 137,833.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,270.78 : 453,389.73 = 91,892.30 : x
  2. Step 2: Convert to fraction form
    302,270.78/453,389.73 = 91,892.30/x
  3. Step 3: Cross multiply
    302,270.78x = 453,389.73 × 91,892.30
  4. Step 4: Simplify right side
    302,270.78x = 41,663,025,086.08
  5. Step 5: Solve for x
    x = 41,663,025,086.08/302,270.78
  6. Step 6: Final answer
    x = 137,833.45

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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.