Home / 377,800.02-521,362.98-208,034.28

Finding the Fourth Proportional to 377,800.02, 521,362.98 and 208,034.28

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Solution

The fourth proportional to 377,800.02, 521,362.98 and 208,034.28 is: 287,086.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,800.02 : 521,362.98 = 208,034.28 : x
  2. Step 2: Convert to fraction form
    377,800.02/521,362.98 = 208,034.28/x
  3. Step 3: Cross multiply
    377,800.02x = 521,362.98 × 208,034.28
  4. Step 4: Simplify right side
    377,800.02x = 108,461,372,162.95
  5. Step 5: Solve for x
    x = 108,461,372,162.95/377,800.02
  6. Step 6: Final answer
    x = 287,086.73

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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.