Home / 352,426.40-486,353.12-191,283.36

Finding the Fourth Proportional to 352,426.40, 486,353.12 and 191,283.36

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Solution

The fourth proportional to 352,426.40, 486,353.12 and 191,283.36 is: 263,973.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,426.40 : 486,353.12 = 191,283.36 : x
  2. Step 2: Convert to fraction form
    352,426.40/486,353.12 = 191,283.36/x
  3. Step 3: Cross multiply
    352,426.40x = 486,353.12 × 191,283.36
  4. Step 4: Simplify right side
    352,426.40x = 93,031,258,940.08
  5. Step 5: Solve for x
    x = 93,031,258,940.08/352,426.40
  6. Step 6: Final answer
    x = 263,973.58

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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.