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Finding the Fourth Proportional to 250,335.69, 375,503.46 and 166,260

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Solution

The fourth proportional to 250,335.69, 375,503.46 and 166,260 is: 249,389.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,335.69 : 375,503.46 = 166,260 : x
  2. Step 2: Convert to fraction form
    250,335.69/375,503.46 = 166,260/x
  3. Step 3: Cross multiply
    250,335.69x = 375,503.46 × 166,260
  4. Step 4: Simplify right side
    250,335.69x = 62,431,205,259.60
  5. Step 5: Solve for x
    x = 62,431,205,259.60/250,335.69
  6. Step 6: Final answer
    x = 249,389.95

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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.