Home / 377,903.23-521,506.47-208,137.36

Finding the Fourth Proportional to 377,903.23, 521,506.47 and 208,137.36

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Solution

The fourth proportional to 377,903.23, 521,506.47 and 208,137.36 is: 287,229.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,903.23 : 521,506.47 = 208,137.36 : x
  2. Step 2: Convert to fraction form
    377,903.23/521,506.47 = 208,137.36/x
  3. Step 3: Cross multiply
    377,903.23x = 521,506.47 × 208,137.36
  4. Step 4: Simplify right side
    377,903.23x = 108,544,977,544.27
  5. Step 5: Solve for x
    x = 108,544,977,544.27/377,903.23
  6. Step 6: Final answer
    x = 287,229.56

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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.