Home / 375,573.71-562,966.90-138,765.35

Finding the Fourth Proportional to 375,573.71, 562,966.90 and 138,765.35

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Solution

The fourth proportional to 375,573.71, 562,966.90 and 138,765.35 is: 208,002.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,573.71 : 562,966.90 = 138,765.35 : x
  2. Step 2: Convert to fraction form
    375,573.71/562,966.90 = 138,765.35/x
  3. Step 3: Cross multiply
    375,573.71x = 562,966.90 × 138,765.35
  4. Step 4: Simplify right side
    375,573.71x = 78,120,299,977.42
  5. Step 5: Solve for x
    x = 78,120,299,977.42/375,573.71
  6. Step 6: Final answer
    x = 208,002.58

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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.