Home / 282,317.97-389,599.45-155,001.77

Finding the Fourth Proportional to 282,317.97, 389,599.45 and 155,001.77

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Solution

The fourth proportional to 282,317.97, 389,599.45 and 155,001.77 is: 213,902.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,317.97 : 389,599.45 = 155,001.77 : x
  2. Step 2: Convert to fraction form
    282,317.97/389,599.45 = 155,001.77/x
  3. Step 3: Cross multiply
    282,317.97x = 389,599.45 × 155,001.77
  4. Step 4: Simplify right side
    282,317.97x = 60,388,602,393.03
  5. Step 5: Solve for x
    x = 60,388,602,393.03/282,317.97
  6. Step 6: Final answer
    x = 213,902.79

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1.5x scale

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.