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Finding the Fourth Proportional to 254,019.96, 350,386.90 and 163,219.88

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Solution

The fourth proportional to 254,019.96, 350,386.90 and 163,219.88 is: 225,140.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,019.96 : 350,386.90 = 163,219.88 : x
  2. Step 2: Convert to fraction form
    254,019.96/350,386.90 = 163,219.88/x
  3. Step 3: Cross multiply
    254,019.96x = 350,386.90 × 163,219.88
  4. Step 4: Simplify right side
    254,019.96x = 57,190,107,771.57
  5. Step 5: Solve for x
    x = 57,190,107,771.57/254,019.96
  6. Step 6: Final answer
    x = 225,140.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.