Home / 215,271.40-322,907.10-110,295.40

Finding the Fourth Proportional to 215,271.40, 322,907.10 and 110,295.40

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Solution

The fourth proportional to 215,271.40, 322,907.10 and 110,295.40 is: 165,443.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,271.40 : 322,907.10 = 110,295.40 : x
  2. Step 2: Convert to fraction form
    215,271.40/322,907.10 = 110,295.40/x
  3. Step 3: Cross multiply
    215,271.40x = 322,907.10 × 110,295.40
  4. Step 4: Simplify right side
    215,271.40x = 35,615,167,757.34
  5. Step 5: Solve for x
    x = 35,615,167,757.34/215,271.40
  6. Step 6: Final answer
    x = 165,443.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.