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Finding the Fourth Proportional to 355,423.69, 532,676.26 and 265,975.39

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Solution

The fourth proportional to 355,423.69, 532,676.26 and 265,975.39 is: 398,619.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,423.69 : 532,676.26 = 265,975.39 : x
  2. Step 2: Convert to fraction form
    355,423.69/532,676.26 = 265,975.39/x
  3. Step 3: Cross multiply
    355,423.69x = 532,676.26 × 265,975.39
  4. Step 4: Simplify right side
    355,423.69x = 141,678,772,003.98
  5. Step 5: Solve for x
    x = 141,678,772,003.98/355,423.69
  6. Step 6: Final answer
    x = 398,619.39

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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.