Home / 215,110.40-323,443.20-210,444.80

Finding the Fourth Proportional to 215,110.40, 323,443.20 and 210,444.80

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Solution

The fourth proportional to 215,110.40, 323,443.20 and 210,444.80 is: 316,427.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,110.40 : 323,443.20 = 210,444.80 : x
  2. Step 2: Convert to fraction form
    215,110.40/323,443.20 = 210,444.80/x
  3. Step 3: Cross multiply
    215,110.40x = 323,443.20 × 210,444.80
  4. Step 4: Simplify right side
    215,110.40x = 68,066,939,535.36
  5. Step 5: Solve for x
    x = 68,066,939,535.36/215,110.40
  6. Step 6: Final answer
    x = 316,427.93

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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.