Home / 285,567.48-394,095.24-158,242.68

Finding the Fourth Proportional to 285,567.48, 394,095.24 and 158,242.68

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Solution

The fourth proportional to 285,567.48, 394,095.24 and 158,242.68 is: 218,381.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,567.48 : 394,095.24 = 158,242.68 : x
  2. Step 2: Convert to fraction form
    285,567.48/394,095.24 = 158,242.68/x
  3. Step 3: Cross multiply
    285,567.48x = 394,095.24 × 158,242.68
  4. Step 4: Simplify right side
    285,567.48x = 62,362,686,952.84
  5. Step 5: Solve for x
    x = 62,362,686,952.84/285,567.48
  6. Step 6: Final answer
    x = 218,381.61

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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.