Home / 380,625.60-570,938.40-222,772.80

Finding the Fourth Proportional to 380,625.60, 570,938.40 and 222,772.80

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Solution

The fourth proportional to 380,625.60, 570,938.40 and 222,772.80 is: 334,159.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,625.60 : 570,938.40 = 222,772.80 : x
  2. Step 2: Convert to fraction form
    380,625.60/570,938.40 = 222,772.80/x
  3. Step 3: Cross multiply
    380,625.60x = 570,938.40 × 222,772.80
  4. Step 4: Simplify right side
    380,625.60x = 127,189,545,995.52
  5. Step 5: Solve for x
    x = 127,189,545,995.52/380,625.60
  6. Step 6: Final answer
    x = 334,159.20

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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.