Home / 345,977.45-519,036.23-146,297.51

Finding the Fourth Proportional to 345,977.45, 519,036.23 and 146,297.51

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Solution

The fourth proportional to 345,977.45, 519,036.23 and 146,297.51 is: 219,475.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,977.45 : 519,036.23 = 146,297.51 : x
  2. Step 2: Convert to fraction form
    345,977.45/519,036.23 = 146,297.51/x
  3. Step 3: Cross multiply
    345,977.45x = 519,036.23 × 146,297.51
  4. Step 4: Simplify right side
    345,977.45x = 75,933,708,048.79
  5. Step 5: Solve for x
    x = 75,933,708,048.79/345,977.45
  6. Step 6: Final answer
    x = 219,475.89

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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.