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Finding the Fourth Proportional to 364,282.79, 546,093.36 and 127,496.30

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Solution

The fourth proportional to 364,282.79, 546,093.36 and 127,496.30 is: 191,128.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,282.79 : 546,093.36 = 127,496.30 : x
  2. Step 2: Convert to fraction form
    364,282.79/546,093.36 = 127,496.30/x
  3. Step 3: Cross multiply
    364,282.79x = 546,093.36 × 127,496.30
  4. Step 4: Simplify right side
    364,282.79x = 69,624,880,124.10
  5. Step 5: Solve for x
    x = 69,624,880,124.10/364,282.79
  6. Step 6: Final answer
    x = 191,128.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.