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Finding the Fourth Proportional to 371,333.25, 512,438.67 and 201,566.16

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Solution

The fourth proportional to 371,333.25, 512,438.67 and 201,566.16 is: 278,160.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,333.25 : 512,438.67 = 201,566.16 : x
  2. Step 2: Convert to fraction form
    371,333.25/512,438.67 = 201,566.16/x
  3. Step 3: Cross multiply
    371,333.25x = 512,438.67 × 201,566.16
  4. Step 4: Simplify right side
    371,333.25x = 103,290,294,947.41
  5. Step 5: Solve for x
    x = 103,290,294,947.41/371,333.25
  6. Step 6: Final answer
    x = 278,160.64

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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.