Home / 293,806.20-440,709.30-268,001.40

Finding the Fourth Proportional to 293,806.20, 440,709.30 and 268,001.40

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Solution

The fourth proportional to 293,806.20, 440,709.30 and 268,001.40 is: 402,002.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,806.20 : 440,709.30 = 268,001.40 : x
  2. Step 2: Convert to fraction form
    293,806.20/440,709.30 = 268,001.40/x
  3. Step 3: Cross multiply
    293,806.20x = 440,709.30 × 268,001.40
  4. Step 4: Simplify right side
    293,806.20x = 118,110,709,393.02
  5. Step 5: Solve for x
    x = 118,110,709,393.02/293,806.20
  6. Step 6: Final answer
    x = 402,002.10

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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.