Home / 519,947.52-779,919.23-164,989.22

Finding the Fourth Proportional to 519,947.52, 779,919.23 and 164,989.22

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Solution

The fourth proportional to 519,947.52, 779,919.23 and 164,989.22 is: 247,483.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,947.52 : 779,919.23 = 164,989.22 : x
  2. Step 2: Convert to fraction form
    519,947.52/779,919.23 = 164,989.22/x
  3. Step 3: Cross multiply
    519,947.52x = 779,919.23 × 164,989.22
  4. Step 4: Simplify right side
    519,947.52x = 128,678,260,696.16
  5. Step 5: Solve for x
    x = 128,678,260,696.16/519,947.52
  6. Step 6: Final answer
    x = 247,483.17

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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.