Home / 627,970.90-941,824.50-207,148.18

Finding the Fourth Proportional to 627,970.90, 941,824.50 and 207,148.18

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Solution

The fourth proportional to 627,970.90, 941,824.50 and 207,148.18 is: 310,678.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,970.90 : 941,824.50 = 207,148.18 : x
  2. Step 2: Convert to fraction form
    627,970.90/941,824.50 = 207,148.18/x
  3. Step 3: Cross multiply
    627,970.90x = 941,824.50 × 207,148.18
  4. Step 4: Simplify right side
    627,970.90x = 195,097,231,054.41
  5. Step 5: Solve for x
    x = 195,097,231,054.41/627,970.90
  6. Step 6: Final answer
    x = 310,678.78

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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.