Home / 374,916.50-517,384.78-205,150.64

Finding the Fourth Proportional to 374,916.50, 517,384.78 and 205,150.64

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Solution

The fourth proportional to 374,916.50, 517,384.78 and 205,150.64 is: 283,107.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,916.50 : 517,384.78 = 205,150.64 : x
  2. Step 2: Convert to fraction form
    374,916.50/517,384.78 = 205,150.64/x
  3. Step 3: Cross multiply
    374,916.50x = 517,384.78 × 205,150.64
  4. Step 4: Simplify right side
    374,916.50x = 106,141,818,743.26
  5. Step 5: Solve for x
    x = 106,141,818,743.26/374,916.50
  6. Step 6: Final answer
    x = 283,107.89

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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.