Home / 385,327.36-531,858.72-224,213.64

Finding the Fourth Proportional to 385,327.36, 531,858.72 and 224,213.64

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Solution

The fourth proportional to 385,327.36, 531,858.72 and 224,213.64 is: 309,477.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,327.36 : 531,858.72 = 224,213.64 : x
  2. Step 2: Convert to fraction form
    385,327.36/531,858.72 = 224,213.64/x
  3. Step 3: Cross multiply
    385,327.36x = 531,858.72 × 224,213.64
  4. Step 4: Simplify right side
    385,327.36x = 119,249,979,576.94
  5. Step 5: Solve for x
    x = 119,249,979,576.94/385,327.36
  6. Step 6: Final answer
    x = 309,477.06

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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.