Home / 379,270.52-568,927.63-142,615.25

Finding the Fourth Proportional to 379,270.52, 568,927.63 and 142,615.25

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Solution

The fourth proportional to 379,270.52, 568,927.63 and 142,615.25 is: 213,931.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,270.52 : 568,927.63 = 142,615.25 : x
  2. Step 2: Convert to fraction form
    379,270.52/568,927.63 = 142,615.25/x
  3. Step 3: Cross multiply
    379,270.52x = 568,927.63 × 142,615.25
  4. Step 4: Simplify right side
    379,270.52x = 81,137,756,184.36
  5. Step 5: Solve for x
    x = 81,137,756,184.36/379,270.52
  6. Step 6: Final answer
    x = 213,931.09

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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.