Home / 347,825.60-521,738.40-277,841.60

Finding the Fourth Proportional to 347,825.60, 521,738.40 and 277,841.60

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Solution

The fourth proportional to 347,825.60, 521,738.40 and 277,841.60 is: 416,762.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,825.60 : 521,738.40 = 277,841.60 : x
  2. Step 2: Convert to fraction form
    347,825.60/521,738.40 = 277,841.60/x
  3. Step 3: Cross multiply
    347,825.60x = 521,738.40 × 277,841.60
  4. Step 4: Simplify right side
    347,825.60x = 144,960,631,837.44
  5. Step 5: Solve for x
    x = 144,960,631,837.44/347,825.60
  6. Step 6: Final answer
    x = 416,762.40

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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.