Home / 377,941.07-521,559.40-205,858.50

Finding the Fourth Proportional to 377,941.07, 521,559.40 and 205,858.50

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Solution

The fourth proportional to 377,941.07, 521,559.40 and 205,858.50 is: 284,085.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,941.07 : 521,559.40 = 205,858.50 : x
  2. Step 2: Convert to fraction form
    377,941.07/521,559.40 = 205,858.50/x
  3. Step 3: Cross multiply
    377,941.07x = 521,559.40 × 205,858.50
  4. Step 4: Simplify right side
    377,941.07x = 107,367,435,744.90
  5. Step 5: Solve for x
    x = 107,367,435,744.90/377,941.07
  6. Step 6: Final answer
    x = 284,085.12

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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.