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Finding the Fourth Proportional to 488,686.20, 732,810.60 and 222,309.60

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Solution

The fourth proportional to 488,686.20, 732,810.60 and 222,309.60 is: 333,364.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,686.20 : 732,810.60 = 222,309.60 : x
  2. Step 2: Convert to fraction form
    488,686.20/732,810.60 = 222,309.60/x
  3. Step 3: Cross multiply
    488,686.20x = 732,810.60 × 222,309.60
  4. Step 4: Simplify right side
    488,686.20x = 162,910,831,361.76
  5. Step 5: Solve for x
    x = 162,910,831,361.76/488,686.20
  6. Step 6: Final answer
    x = 333,364.91

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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.