Home / 345,037.40-517,556.10-95,719.40

Finding the Fourth Proportional to 345,037.40, 517,556.10 and 95,719.40

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Solution

The fourth proportional to 345,037.40, 517,556.10 and 95,719.40 is: 143,579.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,037.40 : 517,556.10 = 95,719.40 : x
  2. Step 2: Convert to fraction form
    345,037.40/517,556.10 = 95,719.40/x
  3. Step 3: Cross multiply
    345,037.40x = 517,556.10 × 95,719.40
  4. Step 4: Simplify right side
    345,037.40x = 49,540,159,358.34
  5. Step 5: Solve for x
    x = 49,540,159,358.34/345,037.40
  6. Step 6: Final answer
    x = 143,579.10

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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.