Home / 343,375.50-515,205-185,417.94

Finding the Fourth Proportional to 343,375.50, 515,205 and 185,417.94

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Solution

The fourth proportional to 343,375.50, 515,205 and 185,417.94 is: 278,203.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,375.50 : 515,205 = 185,417.94 : x
  2. Step 2: Convert to fraction form
    343,375.50/515,205 = 185,417.94/x
  3. Step 3: Cross multiply
    343,375.50x = 515,205 × 185,417.94
  4. Step 4: Simplify right side
    343,375.50x = 95,528,249,777.70
  5. Step 5: Solve for x
    x = 95,528,249,777.70/343,375.50
  6. Step 6: Final answer
    x = 278,203.45

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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.