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Finding the Fourth Proportional to 377,500.95, 520,950.96 and 207,735.08

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Solution

The fourth proportional to 377,500.95, 520,950.96 and 207,735.08 is: 286,674.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,500.95 : 520,950.96 = 207,735.08 : x
  2. Step 2: Convert to fraction form
    377,500.95/520,950.96 = 207,735.08/x
  3. Step 3: Cross multiply
    377,500.95x = 520,950.96 × 207,735.08
  4. Step 4: Simplify right side
    377,500.95x = 108,219,786,746.92
  5. Step 5: Solve for x
    x = 108,219,786,746.92/377,500.95
  6. Step 6: Final answer
    x = 286,674.21

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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.