Home / 282,582.66-389,956.23-155,258.22

Finding the Fourth Proportional to 282,582.66, 389,956.23 and 155,258.22

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Solution

The fourth proportional to 282,582.66, 389,956.23 and 155,258.22 is: 214,252.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,582.66 : 389,956.23 = 155,258.22 : x
  2. Step 2: Convert to fraction form
    282,582.66/389,956.23 = 155,258.22/x
  3. Step 3: Cross multiply
    282,582.66x = 389,956.23 × 155,258.22
  4. Step 4: Simplify right side
    282,582.66x = 60,543,910,147.71
  5. Step 5: Solve for x
    x = 60,543,910,147.71/282,582.66
  6. Step 6: Final answer
    x = 214,252.04

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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.