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Finding the Fourth Proportional to 371,205.19, 512,264.51 and 201,439.27

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Solution

The fourth proportional to 371,205.19, 512,264.51 and 201,439.27 is: 277,986.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,205.19 : 512,264.51 = 201,439.27 : x
  2. Step 2: Convert to fraction form
    371,205.19/512,264.51 = 201,439.27/x
  3. Step 3: Cross multiply
    371,205.19x = 512,264.51 × 201,439.27
  4. Step 4: Simplify right side
    371,205.19x = 103,190,188,941.31
  5. Step 5: Solve for x
    x = 103,190,188,941.31/371,205.19
  6. Step 6: Final answer
    x = 277,986.92

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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.