Home / 377,868.36-521,458.98-208,102.92

Finding the Fourth Proportional to 377,868.36, 521,458.98 and 208,102.92

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Solution

The fourth proportional to 377,868.36, 521,458.98 and 208,102.92 is: 287,182.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,868.36 : 521,458.98 = 208,102.92 : x
  2. Step 2: Convert to fraction form
    377,868.36/521,458.98 = 208,102.92/x
  3. Step 3: Cross multiply
    377,868.36x = 521,458.98 × 208,102.92
  4. Step 4: Simplify right side
    377,868.36x = 108,517,136,398.22
  5. Step 5: Solve for x
    x = 108,517,136,398.22/377,868.36
  6. Step 6: Final answer
    x = 287,182.38

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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.