Home / 400,814.37-553,124.36-217,053.25

Finding the Fourth Proportional to 400,814.37, 553,124.36 and 217,053.25

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Solution

The fourth proportional to 400,814.37, 553,124.36 and 217,053.25 is: 299,533.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,814.37 : 553,124.36 = 217,053.25 : x
  2. Step 2: Convert to fraction form
    400,814.37/553,124.36 = 217,053.25/x
  3. Step 3: Cross multiply
    400,814.37x = 553,124.36 × 217,053.25
  4. Step 4: Simplify right side
    400,814.37x = 120,057,436,893.96
  5. Step 5: Solve for x
    x = 120,057,436,893.96/400,814.37
  6. Step 6: Final answer
    x = 299,533.77

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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.