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Finding the Fourth Proportional to 302,504.40, 453,902.40 and 213,566.40

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Solution

The fourth proportional to 302,504.40, 453,902.40 and 213,566.40 is: 320,452.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,504.40 : 453,902.40 = 213,566.40 : x
  2. Step 2: Convert to fraction form
    302,504.40/453,902.40 = 213,566.40/x
  3. Step 3: Cross multiply
    302,504.40x = 453,902.40 × 213,566.40
  4. Step 4: Simplify right side
    302,504.40x = 96,938,301,519.36
  5. Step 5: Solve for x
    x = 96,938,301,519.36/302,504.40
  6. Step 6: Final answer
    x = 320,452.53

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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.