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Finding the Fourth Proportional to 291,729.70, 437,594.55 and 242,522.20

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Solution

The fourth proportional to 291,729.70, 437,594.55 and 242,522.20 is: 363,783.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,729.70 : 437,594.55 = 242,522.20 : x
  2. Step 2: Convert to fraction form
    291,729.70/437,594.55 = 242,522.20/x
  3. Step 3: Cross multiply
    291,729.70x = 437,594.55 × 242,522.20
  4. Step 4: Simplify right side
    291,729.70x = 106,126,392,974.01
  5. Step 5: Solve for x
    x = 106,126,392,974.01/291,729.70
  6. Step 6: Final answer
    x = 363,783.30

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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.