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Finding the Fourth Proportional to 291,523.10, 437,479.05 and 133,670.30

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Solution

The fourth proportional to 291,523.10, 437,479.05 and 133,670.30 is: 200,594.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,523.10 : 437,479.05 = 133,670.30 : x
  2. Step 2: Convert to fraction form
    291,523.10/437,479.05 = 133,670.30/x
  3. Step 3: Cross multiply
    291,523.10x = 437,479.05 × 133,670.30
  4. Step 4: Simplify right side
    291,523.10x = 58,477,955,857.22
  5. Step 5: Solve for x
    x = 58,477,955,857.22/291,523.10
  6. Step 6: Final answer
    x = 200,594.59

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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.