Home / 377,927.45-521,539.86-208,161.57

Finding the Fourth Proportional to 377,927.45, 521,539.86 and 208,161.57

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Solution

The fourth proportional to 377,927.45, 521,539.86 and 208,161.57 is: 287,262.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,927.45 : 521,539.86 = 208,161.57 : x
  2. Step 2: Convert to fraction form
    377,927.45/521,539.86 = 208,161.57/x
  3. Step 3: Cross multiply
    377,927.45x = 521,539.86 × 208,161.57
  4. Step 4: Simplify right side
    377,927.45x = 108,564,556,075.18
  5. Step 5: Solve for x
    x = 108,564,556,075.18/377,927.45
  6. Step 6: Final answer
    x = 287,262.96

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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.