Home / 298,981.43-412,586.75-163,015.64

Finding the Fourth Proportional to 298,981.43, 412,586.75 and 163,015.64

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Solution

The fourth proportional to 298,981.43, 412,586.75 and 163,015.64 is: 224,957.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,981.43 : 412,586.75 = 163,015.64 : x
  2. Step 2: Convert to fraction form
    298,981.43/412,586.75 = 163,015.64/x
  3. Step 3: Cross multiply
    298,981.43x = 412,586.75 × 163,015.64
  4. Step 4: Simplify right side
    298,981.43x = 67,258,090,228.76
  5. Step 5: Solve for x
    x = 67,258,090,228.76/298,981.43
  6. Step 6: Final answer
    x = 224,957.42

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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.