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Finding the Fourth Proportional to 250,316.87, 375,433.75 and 90,362.12

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Solution

The fourth proportional to 250,316.87, 375,433.75 and 90,362.12 is: 135,528.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,316.87 : 375,433.75 = 90,362.12 : x
  2. Step 2: Convert to fraction form
    250,316.87/375,433.75 = 90,362.12/x
  3. Step 3: Cross multiply
    250,316.87x = 375,433.75 × 90,362.12
  4. Step 4: Simplify right side
    250,316.87x = 33,924,990,282.23
  5. Step 5: Solve for x
    x = 33,924,990,282.23/250,316.87
  6. Step 6: Final answer
    x = 135,528.18

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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.