Home / 385,183.95-531,529.74-213,097.83

Finding the Fourth Proportional to 385,183.95, 531,529.74 and 213,097.83

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Solution

The fourth proportional to 385,183.95, 531,529.74 and 213,097.83 is: 294,061.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,183.95 : 531,529.74 = 213,097.83 : x
  2. Step 2: Convert to fraction form
    385,183.95/531,529.74 = 213,097.83/x
  3. Step 3: Cross multiply
    385,183.95x = 531,529.74 × 213,097.83
  4. Step 4: Simplify right side
    385,183.95x = 113,267,834,174.46
  5. Step 5: Solve for x
    x = 113,267,834,174.46/385,183.95
  6. Step 6: Final answer
    x = 294,061.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.