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Finding the Fourth Proportional to 371,291.01, 512,382.59 and 201,525.14

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Solution

The fourth proportional to 371,291.01, 512,382.59 and 201,525.14 is: 278,105.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,291.01 : 512,382.59 = 201,525.14 : x
  2. Step 2: Convert to fraction form
    371,291.01/512,382.59 = 201,525.14/x
  3. Step 3: Cross multiply
    371,291.01x = 512,382.59 × 201,525.14
  4. Step 4: Simplify right side
    371,291.01x = 103,257,971,535.21
  5. Step 5: Solve for x
    x = 103,257,971,535.21/371,291.01
  6. Step 6: Final answer
    x = 278,105.23

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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.