Home / 282,337.03-389,513.98-161,413.35

Finding the Fourth Proportional to 282,337.03, 389,513.98 and 161,413.35

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Solution

The fourth proportional to 282,337.03, 389,513.98 and 161,413.35 is: 222,686.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,337.03 : 389,513.98 = 161,413.35 : x
  2. Step 2: Convert to fraction form
    282,337.03/389,513.98 = 161,413.35/x
  3. Step 3: Cross multiply
    282,337.03x = 389,513.98 × 161,413.35
  4. Step 4: Simplify right side
    282,337.03x = 62,872,756,383.63
  5. Step 5: Solve for x
    x = 62,872,756,383.63/282,337.03
  6. Step 6: Final answer
    x = 222,686.89

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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.