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Finding the Fourth Proportional to 294,967.52, 407,055.96 and 160,831.52

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Solution

The fourth proportional to 294,967.52, 407,055.96 and 160,831.52 is: 221,947.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,967.52 : 407,055.96 = 160,831.52 : x
  2. Step 2: Convert to fraction form
    294,967.52/407,055.96 = 160,831.52/x
  3. Step 3: Cross multiply
    294,967.52x = 407,055.96 × 160,831.52
  4. Step 4: Simplify right side
    294,967.52x = 65,467,428,771.86
  5. Step 5: Solve for x
    x = 65,467,428,771.86/294,967.52
  6. Step 6: Final answer
    x = 221,947.92

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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.