Home / 231,902.58-347,153.63-209,726.40

Finding the Fourth Proportional to 231,902.58, 347,153.63 and 209,726.40

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Solution

The fourth proportional to 231,902.58, 347,153.63 and 209,726.40 is: 313,956.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,902.58 : 347,153.63 = 209,726.40 : x
  2. Step 2: Convert to fraction form
    231,902.58/347,153.63 = 209,726.40/x
  3. Step 3: Cross multiply
    231,902.58x = 347,153.63 × 209,726.40
  4. Step 4: Simplify right side
    231,902.58x = 72,807,281,066.83
  5. Step 5: Solve for x
    x = 72,807,281,066.83/231,902.58
  6. Step 6: Final answer
    x = 313,956.32

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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.