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Finding the Fourth Proportional to 447,601.28, 671,409.02 and 249,182.84

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Solution

The fourth proportional to 447,601.28, 671,409.02 and 249,182.84 is: 373,778.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,601.28 : 671,409.02 = 249,182.84 : x
  2. Step 2: Convert to fraction form
    447,601.28/671,409.02 = 249,182.84/x
  3. Step 3: Cross multiply
    447,601.28x = 671,409.02 × 249,182.84
  4. Step 4: Simplify right side
    447,601.28x = 167,303,606,405.22
  5. Step 5: Solve for x
    x = 167,303,606,405.22/447,601.28
  6. Step 6: Final answer
    x = 373,778.21

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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.