Home / 282,284.61-389,542.68-159,774.36

Finding the Fourth Proportional to 282,284.61, 389,542.68 and 159,774.36

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Solution

The fourth proportional to 282,284.61, 389,542.68 and 159,774.36 is: 220,482.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,284.61 : 389,542.68 = 159,774.36 : x
  2. Step 2: Convert to fraction form
    282,284.61/389,542.68 = 159,774.36/x
  3. Step 3: Cross multiply
    282,284.61x = 389,542.68 × 159,774.36
  4. Step 4: Simplify right side
    282,284.61x = 62,238,932,564.67
  5. Step 5: Solve for x
    x = 62,238,932,564.67/282,284.61
  6. Step 6: Final answer
    x = 220,482.91

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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.