Home / 374,738.49-517,189.14-211,428.52

Finding the Fourth Proportional to 374,738.49, 517,189.14 and 211,428.52

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Solution

The fourth proportional to 374,738.49, 517,189.14 and 211,428.52 is: 291,799.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,738.49 : 517,189.14 = 211,428.52 : x
  2. Step 2: Convert to fraction form
    374,738.49/517,189.14 = 211,428.52/x
  3. Step 3: Cross multiply
    374,738.49x = 517,189.14 × 211,428.52
  4. Step 4: Simplify right side
    374,738.49x = 109,348,533,137.30
  5. Step 5: Solve for x
    x = 109,348,533,137.30/374,738.49
  6. Step 6: Final answer
    x = 291,799.58

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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.