Home / 282,766.06-390,222.03-155,447.02

Finding the Fourth Proportional to 282,766.06, 390,222.03 and 155,447.02

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Solution

The fourth proportional to 282,766.06, 390,222.03 and 155,447.02 is: 214,519.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,766.06 : 390,222.03 = 155,447.02 : x
  2. Step 2: Convert to fraction form
    282,766.06/390,222.03 = 155,447.02/x
  3. Step 3: Cross multiply
    282,766.06x = 390,222.03 × 155,447.02
  4. Step 4: Simplify right side
    282,766.06x = 60,658,851,701.85
  5. Step 5: Solve for x
    x = 60,658,851,701.85/282,766.06
  6. Step 6: Final answer
    x = 214,519.56

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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.