Home / 377,967.12-521,596.02-208,200.84

Finding the Fourth Proportional to 377,967.12, 521,596.02 and 208,200.84

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Solution

The fourth proportional to 377,967.12, 521,596.02 and 208,200.84 is: 287,317.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,967.12 : 521,596.02 = 208,200.84 : x
  2. Step 2: Convert to fraction form
    377,967.12/521,596.02 = 208,200.84/x
  3. Step 3: Cross multiply
    377,967.12x = 521,596.02 × 208,200.84
  4. Step 4: Simplify right side
    377,967.12x = 108,596,729,504.66
  5. Step 5: Solve for x
    x = 108,596,729,504.66/377,967.12
  6. Step 6: Final answer
    x = 287,317.93

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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.