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Finding the Fourth Proportional to 302,512.60, 453,768.90 and 208,034.20

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Solution

The fourth proportional to 302,512.60, 453,768.90 and 208,034.20 is: 312,051.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,512.60 : 453,768.90 = 208,034.20 : x
  2. Step 2: Convert to fraction form
    302,512.60/453,768.90 = 208,034.20/x
  3. Step 3: Cross multiply
    302,512.60x = 453,768.90 × 208,034.20
  4. Step 4: Simplify right side
    302,512.60x = 94,399,450,096.38
  5. Step 5: Solve for x
    x = 94,399,450,096.38/302,512.60
  6. Step 6: Final answer
    x = 312,051.30

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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.