Home / 275,964.75-380,831.73-156,732.75

Finding the Fourth Proportional to 275,964.75, 380,831.73 and 156,732.75

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Solution

The fourth proportional to 275,964.75, 380,831.73 and 156,732.75 is: 216,291.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,964.75 : 380,831.73 = 156,732.75 : x
  2. Step 2: Convert to fraction form
    275,964.75/380,831.73 = 156,732.75/x
  3. Step 3: Cross multiply
    275,964.75x = 380,831.73 × 156,732.75
  4. Step 4: Simplify right side
    275,964.75x = 59,688,804,330.16
  5. Step 5: Solve for x
    x = 59,688,804,330.16/275,964.75
  6. Step 6: Final answer
    x = 216,291.41

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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.