Home / 519,940.86-779,938.96-164,982.66

Finding the Fourth Proportional to 519,940.86, 779,938.96 and 164,982.66

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Solution

The fourth proportional to 519,940.86, 779,938.96 and 164,982.66 is: 247,482.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,940.86 : 779,938.96 = 164,982.66 : x
  2. Step 2: Convert to fraction form
    519,940.86/779,938.96 = 164,982.66/x
  3. Step 3: Cross multiply
    519,940.86x = 779,938.96 × 164,982.66
  4. Step 4: Simplify right side
    519,940.86x = 128,676,404,258.43
  5. Step 5: Solve for x
    x = 128,676,404,258.43/519,940.86
  6. Step 6: Final answer
    x = 247,482.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.