Home / 306,054.90-459,147.15-92,805.30

Finding the Fourth Proportional to 306,054.90, 459,147.15 and 92,805.30

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Solution

The fourth proportional to 306,054.90, 459,147.15 and 92,805.30 is: 139,227.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,054.90 : 459,147.15 = 92,805.30 : x
  2. Step 2: Convert to fraction form
    306,054.90/459,147.15 = 92,805.30/x
  3. Step 3: Cross multiply
    306,054.90x = 459,147.15 × 92,805.30
  4. Step 4: Simplify right side
    306,054.90x = 42,611,288,999.90
  5. Step 5: Solve for x
    x = 42,611,288,999.90/306,054.90
  6. Step 6: Final answer
    x = 139,227.60

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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.