Home / 377,941.32-521,559.75-205,858.76

Finding the Fourth Proportional to 377,941.32, 521,559.75 and 205,858.76

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Solution

The fourth proportional to 377,941.32, 521,559.75 and 205,858.76 is: 284,085.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,941.32 : 521,559.75 = 205,858.76 : x
  2. Step 2: Convert to fraction form
    377,941.32/521,559.75 = 205,858.76/x
  3. Step 3: Cross multiply
    377,941.32x = 521,559.75 × 205,858.76
  4. Step 4: Simplify right side
    377,941.32x = 107,367,639,763.82
  5. Step 5: Solve for x
    x = 107,367,639,763.82/377,941.32
  6. Step 6: Final answer
    x = 284,085.48

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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.