Home / 385,322.42-531,851.91-224,208.70

Finding the Fourth Proportional to 385,322.42, 531,851.91 and 224,208.70

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Solution

The fourth proportional to 385,322.42, 531,851.91 and 224,208.70 is: 309,470.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,322.42 : 531,851.91 = 224,208.70 : x
  2. Step 2: Convert to fraction form
    385,322.42/531,851.91 = 224,208.70/x
  3. Step 3: Cross multiply
    385,322.42x = 531,851.91 × 224,208.70
  4. Step 4: Simplify right side
    385,322.42x = 119,245,823,163.21
  5. Step 5: Solve for x
    x = 119,245,823,163.21/385,322.42
  6. Step 6: Final answer
    x = 309,470.24

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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.