Home / 345,029.10-517,235.85-134,618.10

Finding the Fourth Proportional to 345,029.10, 517,235.85 and 134,618.10

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Solution

The fourth proportional to 345,029.10, 517,235.85 and 134,618.10 is: 201,807.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,029.10 : 517,235.85 = 134,618.10 : x
  2. Step 2: Convert to fraction form
    345,029.10/517,235.85 = 134,618.10/x
  3. Step 3: Cross multiply
    345,029.10x = 517,235.85 × 134,618.10
  4. Step 4: Simplify right side
    345,029.10x = 69,629,307,378.89
  5. Step 5: Solve for x
    x = 69,629,307,378.89/345,029.10
  6. Step 6: Final answer
    x = 201,807.06

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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.