Home / 274,504.71-378,812.58-151,985.35

Finding the Fourth Proportional to 274,504.71, 378,812.58 and 151,985.35

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Solution

The fourth proportional to 274,504.71, 378,812.58 and 151,985.35 is: 209,737.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,504.71 : 378,812.58 = 151,985.35 : x
  2. Step 2: Convert to fraction form
    274,504.71/378,812.58 = 151,985.35/x
  3. Step 3: Cross multiply
    274,504.71x = 378,812.58 × 151,985.35
  4. Step 4: Simplify right side
    274,504.71x = 57,573,962,742.81
  5. Step 5: Solve for x
    x = 57,573,962,742.81/274,504.71
  6. Step 6: Final answer
    x = 209,737.61

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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.