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Finding the Fourth Proportional to 377,888.88, 521,510.24 and 208,122.96

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Solution

The fourth proportional to 377,888.88, 521,510.24 and 208,122.96 is: 287,222.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,888.88 : 521,510.24 = 208,122.96 : x
  2. Step 2: Convert to fraction form
    377,888.88/521,510.24 = 208,122.96/x
  3. Step 3: Cross multiply
    377,888.88x = 521,510.24 × 208,122.96
  4. Step 4: Simplify right side
    377,888.88x = 108,538,254,819.11
  5. Step 5: Solve for x
    x = 108,538,254,819.11/377,888.88
  6. Step 6: Final answer
    x = 287,222.67

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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.