Home / 306,094.08-459,140.50-81,454.52

Finding the Fourth Proportional to 306,094.08, 459,140.50 and 81,454.52

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Solution

The fourth proportional to 306,094.08, 459,140.50 and 81,454.52 is: 122,181.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,094.08 : 459,140.50 = 81,454.52 : x
  2. Step 2: Convert to fraction form
    306,094.08/459,140.50 = 81,454.52/x
  3. Step 3: Cross multiply
    306,094.08x = 459,140.50 × 81,454.52
  4. Step 4: Simplify right side
    306,094.08x = 37,399,069,040.06
  5. Step 5: Solve for x
    x = 37,399,069,040.06/306,094.08
  6. Step 6: Final answer
    x = 122,181.62

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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.