Home / 215,401.16-297,239.28-119,905.40

Finding the Fourth Proportional to 215,401.16, 297,239.28 and 119,905.40

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Solution

The fourth proportional to 215,401.16, 297,239.28 and 119,905.40 is: 165,461.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,401.16 : 297,239.28 = 119,905.40 : x
  2. Step 2: Convert to fraction form
    215,401.16/297,239.28 = 119,905.40/x
  3. Step 3: Cross multiply
    215,401.16x = 297,239.28 × 119,905.40
  4. Step 4: Simplify right side
    215,401.16x = 35,640,594,764.11
  5. Step 5: Solve for x
    x = 35,640,594,764.11/215,401.16
  6. Step 6: Final answer
    x = 165,461.48

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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.