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Finding the Fourth Proportional to 499,525.66, 689,344.02 and 270,081.34

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Solution

The fourth proportional to 499,525.66, 689,344.02 and 270,081.34 is: 372,711.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,525.66 : 689,344.02 = 270,081.34 : x
  2. Step 2: Convert to fraction form
    499,525.66/689,344.02 = 270,081.34/x
  3. Step 3: Cross multiply
    499,525.66x = 689,344.02 × 270,081.34
  4. Step 4: Simplify right side
    499,525.66x = 186,178,960,136.03
  5. Step 5: Solve for x
    x = 186,178,960,136.03/499,525.66
  6. Step 6: Final answer
    x = 372,711.50

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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.