Home / 377,917.85-521,526.63-208,151.98

Finding the Fourth Proportional to 377,917.85, 521,526.63 and 208,151.98

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Solution

The fourth proportional to 377,917.85, 521,526.63 and 208,151.98 is: 287,249.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,917.85 : 521,526.63 = 208,151.98 : x
  2. Step 2: Convert to fraction form
    377,917.85/521,526.63 = 208,151.98/x
  3. Step 3: Cross multiply
    377,917.85x = 521,526.63 × 208,151.98
  4. Step 4: Simplify right side
    377,917.85x = 108,556,798,377.70
  5. Step 5: Solve for x
    x = 108,556,798,377.70/377,917.85
  6. Step 6: Final answer
    x = 287,249.72

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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.