Home / 282,844.66-390,327.10-155,528.46

Finding the Fourth Proportional to 282,844.66, 390,327.10 and 155,528.46

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Solution

The fourth proportional to 282,844.66, 390,327.10 and 155,528.46 is: 214,630.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,844.66 : 390,327.10 = 155,528.46 : x
  2. Step 2: Convert to fraction form
    282,844.66/390,327.10 = 155,528.46/x
  3. Step 3: Cross multiply
    282,844.66x = 390,327.10 × 155,528.46
  4. Step 4: Simplify right side
    282,844.66x = 60,706,972,759.27
  5. Step 5: Solve for x
    x = 60,706,972,759.27/282,844.66
  6. Step 6: Final answer
    x = 214,630.08

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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.