Home / 377,927.95-521,540.55-208,162.08

Finding the Fourth Proportional to 377,927.95, 521,540.55 and 208,162.08

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Solution

The fourth proportional to 377,927.95, 521,540.55 and 208,162.08 is: 287,263.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,927.95 : 521,540.55 = 208,162.08 : x
  2. Step 2: Convert to fraction form
    377,927.95/521,540.55 = 208,162.08/x
  3. Step 3: Cross multiply
    377,927.95x = 521,540.55 × 208,162.08
  4. Step 4: Simplify right side
    377,927.95x = 108,564,965,692.34
  5. Step 5: Solve for x
    x = 108,564,965,692.34/377,927.95
  6. Step 6: Final answer
    x = 287,263.66

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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.