Home / 468,838.20-646,998.30-253,977.60

Finding the Fourth Proportional to 468,838.20, 646,998.30 and 253,977.60

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Solution

The fourth proportional to 468,838.20, 646,998.30 and 253,977.60 is: 350,489.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,838.20 : 646,998.30 = 253,977.60 : x
  2. Step 2: Convert to fraction form
    468,838.20/646,998.30 = 253,977.60/x
  3. Step 3: Cross multiply
    468,838.20x = 646,998.30 × 253,977.60
  4. Step 4: Simplify right side
    468,838.20x = 164,323,075,438.08
  5. Step 5: Solve for x
    x = 164,323,075,438.08/468,838.20
  6. Step 6: Final answer
    x = 350,489.95

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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.