Home / 680,133.60-1,020,200.40-231,361.20

Finding the Fourth Proportional to 680,133.60, 1,020,200.40 and 231,361.20

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Solution

The fourth proportional to 680,133.60, 1,020,200.40 and 231,361.20 is: 347,041.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,133.60 : 1,020,200.40 = 231,361.20 : x
  2. Step 2: Convert to fraction form
    680,133.60/1,020,200.40 = 231,361.20/x
  3. Step 3: Cross multiply
    680,133.60x = 1,020,200.40 × 231,361.20
  4. Step 4: Simplify right side
    680,133.60x = 236,034,788,784.48
  5. Step 5: Solve for x
    x = 236,034,788,784.48/680,133.60
  6. Step 6: Final answer
    x = 347,041.80

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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.