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Finding the Fourth Proportional to 364,580.84, 503,227.18 and 211,653.38

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Solution

The fourth proportional to 364,580.84, 503,227.18 and 211,653.38 is: 292,142.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,580.84 : 503,227.18 = 211,653.38 : x
  2. Step 2: Convert to fraction form
    364,580.84/503,227.18 = 211,653.38/x
  3. Step 3: Cross multiply
    364,580.84x = 503,227.18 × 211,653.38
  4. Step 4: Simplify right side
    364,580.84x = 106,509,733,554.87
  5. Step 5: Solve for x
    x = 106,509,733,554.87/364,580.84
  6. Step 6: Final answer
    x = 292,142.98

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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.