Home / 371,277.64-512,275.33-210,132.70

Finding the Fourth Proportional to 371,277.64, 512,275.33 and 210,132.70

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Solution

The fourth proportional to 371,277.64, 512,275.33 and 210,132.70 is: 289,933.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,277.64 : 512,275.33 = 210,132.70 : x
  2. Step 2: Convert to fraction form
    371,277.64/512,275.33 = 210,132.70/x
  3. Step 3: Cross multiply
    371,277.64x = 512,275.33 × 210,132.70
  4. Step 4: Simplify right side
    371,277.64x = 107,645,798,236.29
  5. Step 5: Solve for x
    x = 107,645,798,236.29/371,277.64
  6. Step 6: Final answer
    x = 289,933.43

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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.