Home / 378,059.55-521,731.58-232,810.35

Finding the Fourth Proportional to 378,059.55, 521,731.58 and 232,810.35

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Solution

The fourth proportional to 378,059.55, 521,731.58 and 232,810.35 is: 321,284.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,059.55 : 521,731.58 = 232,810.35 : x
  2. Step 2: Convert to fraction form
    378,059.55/521,731.58 = 232,810.35/x
  3. Step 3: Cross multiply
    378,059.55x = 521,731.58 × 232,810.35
  4. Step 4: Simplify right side
    378,059.55x = 121,464,510,581.80
  5. Step 5: Solve for x
    x = 121,464,510,581.80/378,059.55
  6. Step 6: Final answer
    x = 321,284.07

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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.