Home / 291,129.04-436,545.84-133,222.18

Finding the Fourth Proportional to 291,129.04, 436,545.84 and 133,222.18

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Solution

The fourth proportional to 291,129.04, 436,545.84 and 133,222.18 is: 199,765.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,129.04 : 436,545.84 = 133,222.18 : x
  2. Step 2: Convert to fraction form
    291,129.04/436,545.84 = 133,222.18/x
  3. Step 3: Cross multiply
    291,129.04x = 436,545.84 × 133,222.18
  4. Step 4: Simplify right side
    291,129.04x = 58,157,588,474.73
  5. Step 5: Solve for x
    x = 58,157,588,474.73/291,129.04
  6. Step 6: Final answer
    x = 199,765.67

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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.