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Finding the Fourth Proportional to 376,251.60, 564,571.06 and 249,978.78

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Solution

The fourth proportional to 376,251.60, 564,571.06 and 249,978.78 is: 375,096.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,251.60 : 564,571.06 = 249,978.78 : x
  2. Step 2: Convert to fraction form
    376,251.60/564,571.06 = 249,978.78/x
  3. Step 3: Cross multiply
    376,251.60x = 564,571.06 × 249,978.78
  4. Step 4: Simplify right side
    376,251.60x = 141,130,784,802.11
  5. Step 5: Solve for x
    x = 141,130,784,802.11/376,251.60
  6. Step 6: Final answer
    x = 375,096.84

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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.