Home / 228,944.87-342,996-143,539.48

Finding the Fourth Proportional to 228,944.87, 342,996 and 143,539.48

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Solution

The fourth proportional to 228,944.87, 342,996 and 143,539.48 is: 215,045.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,944.87 : 342,996 = 143,539.48 : x
  2. Step 2: Convert to fraction form
    228,944.87/342,996 = 143,539.48/x
  3. Step 3: Cross multiply
    228,944.87x = 342,996 × 143,539.48
  4. Step 4: Simplify right side
    228,944.87x = 49,233,467,482.08
  5. Step 5: Solve for x
    x = 49,233,467,482.08/228,944.87
  6. Step 6: Final answer
    x = 215,045.08

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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.