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Finding the Fourth Proportional to 340,027.44, 510,002.28 and 90,728.88

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Solution

The fourth proportional to 340,027.44, 510,002.28 and 90,728.88 is: 136,082.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,027.44 : 510,002.28 = 90,728.88 : x
  2. Step 2: Convert to fraction form
    340,027.44/510,002.28 = 90,728.88/x
  3. Step 3: Cross multiply
    340,027.44x = 510,002.28 × 90,728.88
  4. Step 4: Simplify right side
    340,027.44x = 46,271,935,661.85
  5. Step 5: Solve for x
    x = 46,271,935,661.85/340,027.44
  6. Step 6: Final answer
    x = 136,082.95

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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.