Home / 286,863.03-395,865.36-159,535.89

Finding the Fourth Proportional to 286,863.03, 395,865.36 and 159,535.89

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Solution

The fourth proportional to 286,863.03, 395,865.36 and 159,535.89 is: 220,156.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,863.03 : 395,865.36 = 159,535.89 : x
  2. Step 2: Convert to fraction form
    286,863.03/395,865.36 = 159,535.89/x
  3. Step 3: Cross multiply
    286,863.03x = 395,865.36 × 159,535.89
  4. Step 4: Simplify right side
    286,863.03x = 63,154,732,527.77
  5. Step 5: Solve for x
    x = 63,154,732,527.77/286,863.03
  6. Step 6: Final answer
    x = 220,156.40

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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.