Home / 306,316.03-459,495.99-81,675.29

Finding the Fourth Proportional to 306,316.03, 459,495.99 and 81,675.29

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Solution

The fourth proportional to 306,316.03, 459,495.99 and 81,675.29 is: 122,518.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,316.03 : 459,495.99 = 81,675.29 : x
  2. Step 2: Convert to fraction form
    306,316.03/459,495.99 = 81,675.29/x
  3. Step 3: Cross multiply
    306,316.03x = 459,495.99 × 81,675.29
  4. Step 4: Simplify right side
    306,316.03x = 37,529,466,801.16
  5. Step 5: Solve for x
    x = 37,529,466,801.16/306,316.03
  6. Step 6: Final answer
    x = 122,518.78

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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.