Home / 379,917.50-524,295.42-207,851.72

Finding the Fourth Proportional to 379,917.50, 524,295.42 and 207,851.72

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Solution

The fourth proportional to 379,917.50, 524,295.42 and 207,851.72 is: 286,840.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,917.50 : 524,295.42 = 207,851.72 : x
  2. Step 2: Convert to fraction form
    379,917.50/524,295.42 = 207,851.72/x
  3. Step 3: Cross multiply
    379,917.50x = 524,295.42 × 207,851.72
  4. Step 4: Simplify right side
    379,917.50x = 108,975,704,835.12
  5. Step 5: Solve for x
    x = 108,975,704,835.12/379,917.50
  6. Step 6: Final answer
    x = 286,840.45

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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.