Home / 430,533.98-645,451.04-150,248.06

Finding the Fourth Proportional to 430,533.98, 645,451.04 and 150,248.06

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Solution

The fourth proportional to 430,533.98, 645,451.04 and 150,248.06 is: 225,249.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,533.98 : 645,451.04 = 150,248.06 : x
  2. Step 2: Convert to fraction form
    430,533.98/645,451.04 = 150,248.06/x
  3. Step 3: Cross multiply
    430,533.98x = 645,451.04 × 150,248.06
  4. Step 4: Simplify right side
    430,533.98x = 96,977,763,357.73
  5. Step 5: Solve for x
    x = 96,977,763,357.73/430,533.98
  6. Step 6: Final answer
    x = 225,249.97

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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.