Home / 346,218.10-519,013.68-135,799.54

Finding the Fourth Proportional to 346,218.10, 519,013.68 and 135,799.54

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Solution

The fourth proportional to 346,218.10, 519,013.68 and 135,799.54 is: 203,576.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,218.10 : 519,013.68 = 135,799.54 : x
  2. Step 2: Convert to fraction form
    346,218.10/519,013.68 = 135,799.54/x
  3. Step 3: Cross multiply
    346,218.10x = 519,013.68 × 135,799.54
  4. Step 4: Simplify right side
    346,218.10x = 70,481,818,997.71
  5. Step 5: Solve for x
    x = 70,481,818,997.71/346,218.10
  6. Step 6: Final answer
    x = 203,576.36

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1.5x scale

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.