Home / 282,424.22-389,744.02-153,361.55

Finding the Fourth Proportional to 282,424.22, 389,744.02 and 153,361.55

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Solution

The fourth proportional to 282,424.22, 389,744.02 and 153,361.55 is: 211,638.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,424.22 : 389,744.02 = 153,361.55 : x
  2. Step 2: Convert to fraction form
    282,424.22/389,744.02 = 153,361.55/x
  3. Step 3: Cross multiply
    282,424.22x = 389,744.02 × 153,361.55
  4. Step 4: Simplify right side
    282,424.22x = 59,771,745,063.15
  5. Step 5: Solve for x
    x = 59,771,745,063.15/282,424.22
  6. Step 6: Final answer
    x = 211,638.17

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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.