Home / 306,214.90-459,415.73-156,560.31

Finding the Fourth Proportional to 306,214.90, 459,415.73 and 156,560.31

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Solution

The fourth proportional to 306,214.90, 459,415.73 and 156,560.31 is: 234,888.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,214.90 : 459,415.73 = 156,560.31 : x
  2. Step 2: Convert to fraction form
    306,214.90/459,415.73 = 156,560.31/x
  3. Step 3: Cross multiply
    306,214.90x = 459,415.73 × 156,560.31
  4. Step 4: Simplify right side
    306,214.90x = 71,926,269,499.08
  5. Step 5: Solve for x
    x = 71,926,269,499.08/306,214.90
  6. Step 6: Final answer
    x = 234,888.21

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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.