Home / 377,927.29-521,539.65-208,161.42

Finding the Fourth Proportional to 377,927.29, 521,539.65 and 208,161.42

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Solution

The fourth proportional to 377,927.29, 521,539.65 and 208,161.42 is: 287,262.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,927.29 : 521,539.65 = 208,161.42 : x
  2. Step 2: Convert to fraction form
    377,927.29/521,539.65 = 208,161.42/x
  3. Step 3: Cross multiply
    377,927.29x = 521,539.65 × 208,161.42
  4. Step 4: Simplify right side
    377,927.29x = 108,564,434,130.30
  5. Step 5: Solve for x
    x = 108,564,434,130.30/377,927.29
  6. Step 6: Final answer
    x = 287,262.75

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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.