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Finding the Fourth Proportional to 230,670.64, 318,333.34 and 133,867.05

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Solution

The fourth proportional to 230,670.64, 318,333.34 and 133,867.05 is: 184,741.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,670.64 : 318,333.34 = 133,867.05 : x
  2. Step 2: Convert to fraction form
    230,670.64/318,333.34 = 133,867.05/x
  3. Step 3: Cross multiply
    230,670.64x = 318,333.34 × 133,867.05
  4. Step 4: Simplify right side
    230,670.64x = 42,614,345,142.45
  5. Step 5: Solve for x
    x = 42,614,345,142.45/230,670.64
  6. Step 6: Final answer
    x = 184,741.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.