Home / 282,823.40-390,273.16-166,518.47

Finding the Fourth Proportional to 282,823.40, 390,273.16 and 166,518.47

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Solution

The fourth proportional to 282,823.40, 390,273.16 and 166,518.47 is: 229,781.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,823.40 : 390,273.16 = 166,518.47 : x
  2. Step 2: Convert to fraction form
    282,823.40/390,273.16 = 166,518.47/x
  3. Step 3: Cross multiply
    282,823.40x = 390,273.16 × 166,518.47
  4. Step 4: Simplify right side
    282,823.40x = 64,987,689,485.27
  5. Step 5: Solve for x
    x = 64,987,689,485.27/282,823.40
  6. Step 6: Final answer
    x = 229,781.87

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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.