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Finding the Fourth Proportional to 605,375.60, 907,717.80 and 249,969.20

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Solution

The fourth proportional to 605,375.60, 907,717.80 and 249,969.20 is: 374,811.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,375.60 : 907,717.80 = 249,969.20 : x
  2. Step 2: Convert to fraction form
    605,375.60/907,717.80 = 249,969.20/x
  3. Step 3: Cross multiply
    605,375.60x = 907,717.80 × 249,969.20
  4. Step 4: Simplify right side
    605,375.60x = 226,901,492,291.76
  5. Step 5: Solve for x
    x = 226,901,492,291.76/605,375.60
  6. Step 6: Final answer
    x = 374,811.10

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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.