Home / 217,831.60-326,747.40-162,535.60

Finding the Fourth Proportional to 217,831.60, 326,747.40 and 162,535.60

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Solution

The fourth proportional to 217,831.60, 326,747.40 and 162,535.60 is: 243,803.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,831.60 : 326,747.40 = 162,535.60 : x
  2. Step 2: Convert to fraction form
    217,831.60/326,747.40 = 162,535.60/x
  3. Step 3: Cross multiply
    217,831.60x = 326,747.40 × 162,535.60
  4. Step 4: Simplify right side
    217,831.60x = 53,108,084,707.44
  5. Step 5: Solve for x
    x = 53,108,084,707.44/217,831.60
  6. Step 6: Final answer
    x = 243,803.40

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1.5x scale

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.