Home / 282,922.60-390,414.18-162,064.36

Finding the Fourth Proportional to 282,922.60, 390,414.18 and 162,064.36

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Solution

The fourth proportional to 282,922.60, 390,414.18 and 162,064.36 is: 223,637.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,922.60 : 390,414.18 = 162,064.36 : x
  2. Step 2: Convert to fraction form
    282,922.60/390,414.18 = 162,064.36/x
  3. Step 3: Cross multiply
    282,922.60x = 390,414.18 × 162,064.36
  4. Step 4: Simplify right side
    282,922.60x = 63,272,224,216.62
  5. Step 5: Solve for x
    x = 63,272,224,216.62/282,922.60
  6. Step 6: Final answer
    x = 223,637.93

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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.