Home / 302,823.20-454,234.80-103,077.20

Finding the Fourth Proportional to 302,823.20, 454,234.80 and 103,077.20

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Solution

The fourth proportional to 302,823.20, 454,234.80 and 103,077.20 is: 154,615.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,823.20 : 454,234.80 = 103,077.20 : x
  2. Step 2: Convert to fraction form
    302,823.20/454,234.80 = 103,077.20/x
  3. Step 3: Cross multiply
    302,823.20x = 454,234.80 × 103,077.20
  4. Step 4: Simplify right side
    302,823.20x = 46,821,251,326.56
  5. Step 5: Solve for x
    x = 46,821,251,326.56/302,823.20
  6. Step 6: Final answer
    x = 154,615.80

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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.