Home / 420,795.92-631,206.84-184,016.72

Finding the Fourth Proportional to 420,795.92, 631,206.84 and 184,016.72

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Solution

The fourth proportional to 420,795.92, 631,206.84 and 184,016.72 is: 276,030.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,795.92 : 631,206.84 = 184,016.72 : x
  2. Step 2: Convert to fraction form
    420,795.92/631,206.84 = 184,016.72/x
  3. Step 3: Cross multiply
    420,795.92x = 631,206.84 × 184,016.72
  4. Step 4: Simplify right side
    420,795.92x = 116,152,612,338.37
  5. Step 5: Solve for x
    x = 116,152,612,338.37/420,795.92
  6. Step 6: Final answer
    x = 276,030.75

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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.