Home / 282,434.49-389,759.10-155,110.08

Finding the Fourth Proportional to 282,434.49, 389,759.10 and 155,110.08

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Solution

The fourth proportional to 282,434.49, 389,759.10 and 155,110.08 is: 214,051.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,434.49 : 389,759.10 = 155,110.08 : x
  2. Step 2: Convert to fraction form
    282,434.49/389,759.10 = 155,110.08/x
  3. Step 3: Cross multiply
    282,434.49x = 389,759.10 × 155,110.08
  4. Step 4: Simplify right side
    282,434.49x = 60,455,565,181.73
  5. Step 5: Solve for x
    x = 60,455,565,181.73/282,434.49
  6. Step 6: Final answer
    x = 214,051.64

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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.