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Finding the Fourth Proportional to 319,234.02, 478,851.03 and 108,873.78

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Solution

The fourth proportional to 319,234.02, 478,851.03 and 108,873.78 is: 163,310.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,234.02 : 478,851.03 = 108,873.78 : x
  2. Step 2: Convert to fraction form
    319,234.02/478,851.03 = 108,873.78/x
  3. Step 3: Cross multiply
    319,234.02x = 478,851.03 × 108,873.78
  4. Step 4: Simplify right side
    319,234.02x = 52,134,321,692.99
  5. Step 5: Solve for x
    x = 52,134,321,692.99/319,234.02
  6. Step 6: Final answer
    x = 163,310.67

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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.