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Finding the Fourth Proportional to 377,242.93, 520,599.59 and 207,479.89

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Solution

The fourth proportional to 377,242.93, 520,599.59 and 207,479.89 is: 286,324.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,242.93 : 520,599.59 = 207,479.89 : x
  2. Step 2: Convert to fraction form
    377,242.93/520,599.59 = 207,479.89/x
  3. Step 3: Cross multiply
    377,242.93x = 520,599.59 × 207,479.89
  4. Step 4: Simplify right side
    377,242.93x = 108,013,944,629.85
  5. Step 5: Solve for x
    x = 108,013,944,629.85/377,242.93
  6. Step 6: Final answer
    x = 286,324.64

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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.