Home / 262,938.12-394,095.73-120,663.47

Finding the Fourth Proportional to 262,938.12, 394,095.73 and 120,663.47

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Solution

The fourth proportional to 262,938.12, 394,095.73 and 120,663.47 is: 180,852.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,938.12 : 394,095.73 = 120,663.47 : x
  2. Step 2: Convert to fraction form
    262,938.12/394,095.73 = 120,663.47/x
  3. Step 3: Cross multiply
    262,938.12x = 394,095.73 × 120,663.47
  4. Step 4: Simplify right side
    262,938.12x = 47,552,959,203.81
  5. Step 5: Solve for x
    x = 47,552,959,203.81/262,938.12
  6. Step 6: Final answer
    x = 180,852.28

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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.