Home / 349,140.47-523,940.33-191,479.64

Finding the Fourth Proportional to 349,140.47, 523,940.33 and 191,479.64

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Solution

The fourth proportional to 349,140.47, 523,940.33 and 191,479.64 is: 287,345.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,140.47 : 523,940.33 = 191,479.64 : x
  2. Step 2: Convert to fraction form
    349,140.47/523,940.33 = 191,479.64/x
  3. Step 3: Cross multiply
    349,140.47x = 523,940.33 × 191,479.64
  4. Step 4: Simplify right side
    349,140.47x = 100,323,902,192.78
  5. Step 5: Solve for x
    x = 100,323,902,192.78/349,140.47
  6. Step 6: Final answer
    x = 287,345.39

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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.