Home / 377,776.48-521,335.02-208,016.68

Finding the Fourth Proportional to 377,776.48, 521,335.02 and 208,016.68

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Solution

The fourth proportional to 377,776.48, 521,335.02 and 208,016.68 is: 287,064.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,776.48 : 521,335.02 = 208,016.68 : x
  2. Step 2: Convert to fraction form
    377,776.48/521,335.02 = 208,016.68/x
  3. Step 3: Cross multiply
    377,776.48x = 521,335.02 × 208,016.68
  4. Step 4: Simplify right side
    377,776.48x = 108,446,380,028.13
  5. Step 5: Solve for x
    x = 108,446,380,028.13/377,776.48
  6. Step 6: Final answer
    x = 287,064.93

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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.