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Finding the Fourth Proportional to 170,999.70, 256,499.55 and 151,316.70

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Solution

The fourth proportional to 170,999.70, 256,499.55 and 151,316.70 is: 226,975.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,999.70 : 256,499.55 = 151,316.70 : x
  2. Step 2: Convert to fraction form
    170,999.70/256,499.55 = 151,316.70/x
  3. Step 3: Cross multiply
    170,999.70x = 256,499.55 × 151,316.70
  4. Step 4: Simplify right side
    170,999.70x = 38,812,665,457.49
  5. Step 5: Solve for x
    x = 38,812,665,457.49/170,999.70
  6. Step 6: Final answer
    x = 226,975.05

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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.