Home / 262,476.07-393,887.81-144,229.75

Finding the Fourth Proportional to 262,476.07, 393,887.81 and 144,229.75

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Solution

The fourth proportional to 262,476.07, 393,887.81 and 144,229.75 is: 216,440.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,476.07 : 393,887.81 = 144,229.75 : x
  2. Step 2: Convert to fraction form
    262,476.07/393,887.81 = 144,229.75/x
  3. Step 3: Cross multiply
    262,476.07x = 393,887.81 × 144,229.75
  4. Step 4: Simplify right side
    262,476.07x = 56,810,340,364.35
  5. Step 5: Solve for x
    x = 56,810,340,364.35/262,476.07
  6. Step 6: Final answer
    x = 216,440.08

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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.