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Finding the Fourth Proportional to 453,286.68, 625,550.49 and 249,353.25

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Solution

The fourth proportional to 453,286.68, 625,550.49 and 249,353.25 is: 344,115.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,286.68 : 625,550.49 = 249,353.25 : x
  2. Step 2: Convert to fraction form
    453,286.68/625,550.49 = 249,353.25/x
  3. Step 3: Cross multiply
    453,286.68x = 625,550.49 × 249,353.25
  4. Step 4: Simplify right side
    453,286.68x = 155,983,047,720.59
  5. Step 5: Solve for x
    x = 155,983,047,720.59/453,286.68
  6. Step 6: Final answer
    x = 344,115.67

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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.