Home / 371,252.69-512,329.07-201,486.86

Finding the Fourth Proportional to 371,252.69, 512,329.07 and 201,486.86

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Solution

The fourth proportional to 371,252.69, 512,329.07 and 201,486.86 is: 278,052.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,252.69 : 512,329.07 = 201,486.86 : x
  2. Step 2: Convert to fraction form
    371,252.69/512,329.07 = 201,486.86/x
  3. Step 3: Cross multiply
    371,252.69x = 512,329.07 × 201,486.86
  4. Step 4: Simplify right side
    371,252.69x = 103,227,574,593.59
  5. Step 5: Solve for x
    x = 103,227,574,593.59/371,252.69
  6. Step 6: Final answer
    x = 278,052.06

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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.