Home / 274,831.64-379,181.58-153,956.60

Finding the Fourth Proportional to 274,831.64, 379,181.58 and 153,956.60

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Solution

The fourth proportional to 274,831.64, 379,181.58 and 153,956.60 is: 212,411.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,831.64 : 379,181.58 = 153,956.60 : x
  2. Step 2: Convert to fraction form
    274,831.64/379,181.58 = 153,956.60/x
  3. Step 3: Cross multiply
    274,831.64x = 379,181.58 × 153,956.60
  4. Step 4: Simplify right side
    274,831.64x = 58,377,506,839.43
  5. Step 5: Solve for x
    x = 58,377,506,839.43/274,831.64
  6. Step 6: Final answer
    x = 212,411.89

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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.