Home / 377,807.24-521,371.44-208,040

Finding the Fourth Proportional to 377,807.24, 521,371.44 and 208,040

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Solution

The fourth proportional to 377,807.24, 521,371.44 and 208,040 is: 287,093.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,807.24 : 521,371.44 = 208,040 : x
  2. Step 2: Convert to fraction form
    377,807.24/521,371.44 = 208,040/x
  3. Step 3: Cross multiply
    377,807.24x = 521,371.44 × 208,040
  4. Step 4: Simplify right side
    377,807.24x = 108,466,114,377.60
  5. Step 5: Solve for x
    x = 108,466,114,377.60/377,807.24
  6. Step 6: Final answer
    x = 287,093.80

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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.