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Finding the Fourth Proportional to 470,375.88, 705,507.88 and 154,754.52

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Solution

The fourth proportional to 470,375.88, 705,507.88 and 154,754.52 is: 232,113.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,375.88 : 705,507.88 = 154,754.52 : x
  2. Step 2: Convert to fraction form
    470,375.88/705,507.88 = 154,754.52/x
  3. Step 3: Cross multiply
    470,375.88x = 705,507.88 × 154,754.52
  4. Step 4: Simplify right side
    470,375.88x = 109,180,533,325.62
  5. Step 5: Solve for x
    x = 109,180,533,325.62/470,375.88
  6. Step 6: Final answer
    x = 232,113.38

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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.