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Finding the Fourth Proportional to 453,271.50, 625,528.44 and 249,311.88

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Solution

The fourth proportional to 453,271.50, 625,528.44 and 249,311.88 is: 344,057.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,271.50 : 625,528.44 = 249,311.88 : x
  2. Step 2: Convert to fraction form
    453,271.50/625,528.44 = 249,311.88/x
  3. Step 3: Cross multiply
    453,271.50x = 625,528.44 × 249,311.88
  4. Step 4: Simplify right side
    453,271.50x = 155,951,671,369.87
  5. Step 5: Solve for x
    x = 155,951,671,369.87/453,271.50
  6. Step 6: Final answer
    x = 344,057.97

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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.