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Finding the Fourth Proportional to 250,014.56, 345,021.01 and 135,293.20

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Solution

The fourth proportional to 250,014.56, 345,021.01 and 135,293.20 is: 186,705.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,014.56 : 345,021.01 = 135,293.20 : x
  2. Step 2: Convert to fraction form
    250,014.56/345,021.01 = 135,293.20/x
  3. Step 3: Cross multiply
    250,014.56x = 345,021.01 × 135,293.20
  4. Step 4: Simplify right side
    250,014.56x = 46,678,994,446.79
  5. Step 5: Solve for x
    x = 46,678,994,446.79/250,014.56
  6. Step 6: Final answer
    x = 186,705.10

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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.