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Finding the Fourth Proportional to 266,555.41, 399,635.59 and 161,349.49

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Solution

The fourth proportional to 266,555.41, 399,635.59 and 161,349.49 is: 241,904.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,555.41 : 399,635.59 = 161,349.49 : x
  2. Step 2: Convert to fraction form
    266,555.41/399,635.59 = 161,349.49/x
  3. Step 3: Cross multiply
    266,555.41x = 399,635.59 × 161,349.49
  4. Step 4: Simplify right side
    266,555.41x = 64,480,998,632.35
  5. Step 5: Solve for x
    x = 64,480,998,632.35/266,555.41
  6. Step 6: Final answer
    x = 241,904.67

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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.