Home / 320,516.49-442,283.02-177,273.46

Finding the Fourth Proportional to 320,516.49, 442,283.02 and 177,273.46

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Solution

The fourth proportional to 320,516.49, 442,283.02 and 177,273.46 is: 244,620.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,516.49 : 442,283.02 = 177,273.46 : x
  2. Step 2: Convert to fraction form
    320,516.49/442,283.02 = 177,273.46/x
  3. Step 3: Cross multiply
    320,516.49x = 442,283.02 × 177,273.46
  4. Step 4: Simplify right side
    320,516.49x = 78,405,041,364.32
  5. Step 5: Solve for x
    x = 78,405,041,364.32/320,516.49
  6. Step 6: Final answer
    x = 244,620.93

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1.5x scale

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.