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Finding the Fourth Proportional to 307,627.60, 461,222.70 and 118,014.70

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Solution

The fourth proportional to 307,627.60, 461,222.70 and 118,014.70 is: 176,938.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,627.60 : 461,222.70 = 118,014.70 : x
  2. Step 2: Convert to fraction form
    307,627.60/461,222.70 = 118,014.70/x
  3. Step 3: Cross multiply
    307,627.60x = 461,222.70 × 118,014.70
  4. Step 4: Simplify right side
    307,627.60x = 54,431,058,573.69
  5. Step 5: Solve for x
    x = 54,431,058,573.69/307,627.60
  6. Step 6: Final answer
    x = 176,938.15

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1.5x scale

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.