Home / 400,631.45-601,027.36-147,913.47

Finding the Fourth Proportional to 400,631.45, 601,027.36 and 147,913.47

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Solution

The fourth proportional to 400,631.45, 601,027.36 and 147,913.47 is: 221,899.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,631.45 : 601,027.36 = 147,913.47 : x
  2. Step 2: Convert to fraction form
    400,631.45/601,027.36 = 147,913.47/x
  3. Step 3: Cross multiply
    400,631.45x = 601,027.36 × 147,913.47
  4. Step 4: Simplify right side
    400,631.45x = 88,900,042,012.76
  5. Step 5: Solve for x
    x = 88,900,042,012.76/400,631.45
  6. Step 6: Final answer
    x = 221,899.81

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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.