Home / 380,414.95-524,989.26-210,649.07

Finding the Fourth Proportional to 380,414.95, 524,989.26 and 210,649.07

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Solution

The fourth proportional to 380,414.95, 524,989.26 and 210,649.07 is: 290,704.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,414.95 : 524,989.26 = 210,649.07 : x
  2. Step 2: Convert to fraction form
    380,414.95/524,989.26 = 210,649.07/x
  3. Step 3: Cross multiply
    380,414.95x = 524,989.26 × 210,649.07
  4. Step 4: Simplify right side
    380,414.95x = 110,588,500,691.46
  5. Step 5: Solve for x
    x = 110,588,500,691.46/380,414.95
  6. Step 6: Final answer
    x = 290,704.93

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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.