Home / 364,769.78-503,384.37-213,869.30

Finding the Fourth Proportional to 364,769.78, 503,384.37 and 213,869.30

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Solution

The fourth proportional to 364,769.78, 503,384.37 and 213,869.30 is: 295,140.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,769.78 : 503,384.37 = 213,869.30 : x
  2. Step 2: Convert to fraction form
    364,769.78/503,384.37 = 213,869.30/x
  3. Step 3: Cross multiply
    364,769.78x = 503,384.37 × 213,869.30
  4. Step 4: Simplify right side
    364,769.78x = 107,658,462,842.84
  5. Step 5: Solve for x
    x = 107,658,462,842.84/364,769.78
  6. Step 6: Final answer
    x = 295,140.85

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1.5x scale

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.