Home / 345,747.50-518,708.77-96,429.50

Finding the Fourth Proportional to 345,747.50, 518,708.77 and 96,429.50

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Solution

The fourth proportional to 345,747.50, 518,708.77 and 96,429.50 is: 144,668.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,747.50 : 518,708.77 = 96,429.50 : x
  2. Step 2: Convert to fraction form
    345,747.50/518,708.77 = 96,429.50/x
  3. Step 3: Cross multiply
    345,747.50x = 518,708.77 × 96,429.50
  4. Step 4: Simplify right side
    345,747.50x = 50,018,827,336.72
  5. Step 5: Solve for x
    x = 50,018,827,336.72/345,747.50
  6. Step 6: Final answer
    x = 144,668.66

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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.