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Finding the Fourth Proportional to 371,707.46, 512,958.75 and 201,941.54

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Solution

The fourth proportional to 371,707.46, 512,958.75 and 201,941.54 is: 278,680.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,707.46 : 512,958.75 = 201,941.54 : x
  2. Step 2: Convert to fraction form
    371,707.46/512,958.75 = 201,941.54/x
  3. Step 3: Cross multiply
    371,707.46x = 512,958.75 × 201,941.54
  4. Step 4: Simplify right side
    371,707.46x = 103,587,679,931.48
  5. Step 5: Solve for x
    x = 103,587,679,931.48/371,707.46
  6. Step 6: Final answer
    x = 278,680.66

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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.