Home / 302,630.60-453,945.90-103,176.20

Finding the Fourth Proportional to 302,630.60, 453,945.90 and 103,176.20

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Solution

The fourth proportional to 302,630.60, 453,945.90 and 103,176.20 is: 154,764.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,630.60 : 453,945.90 = 103,176.20 : x
  2. Step 2: Convert to fraction form
    302,630.60/453,945.90 = 103,176.20/x
  3. Step 3: Cross multiply
    302,630.60x = 453,945.90 × 103,176.20
  4. Step 4: Simplify right side
    302,630.60x = 46,836,412,967.58
  5. Step 5: Solve for x
    x = 46,836,412,967.58/302,630.60
  6. Step 6: Final answer
    x = 154,764.30

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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.