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Finding the Fourth Proportional to 569,953.46, 855,165.60 and 249,939.68

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Solution

The fourth proportional to 569,953.46, 855,165.60 and 249,939.68 is: 375,012.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,953.46 : 855,165.60 = 249,939.68 : x
  2. Step 2: Convert to fraction form
    569,953.46/855,165.60 = 249,939.68/x
  3. Step 3: Cross multiply
    569,953.46x = 855,165.60 × 249,939.68
  4. Step 4: Simplify right side
    569,953.46x = 213,739,812,135.18
  5. Step 5: Solve for x
    x = 213,739,812,135.18/569,953.46
  6. Step 6: Final answer
    x = 375,012.74

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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.