Home / 293,795.20-402,796.93-288,480.79

Finding the Fourth Proportional to 293,795.20, 402,796.93 and 288,480.79

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Solution

The fourth proportional to 293,795.20, 402,796.93 and 288,480.79 is: 395,510.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,795.20 : 402,796.93 = 288,480.79 : x
  2. Step 2: Convert to fraction form
    293,795.20/402,796.93 = 288,480.79/x
  3. Step 3: Cross multiply
    293,795.20x = 402,796.93 × 288,480.79
  4. Step 4: Simplify right side
    293,795.20x = 116,199,176,575.98
  5. Step 5: Solve for x
    x = 116,199,176,575.98/293,795.20
  6. Step 6: Final answer
    x = 395,510.81

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.