Home / 231,482.40-347,338.80-91,245.60

Finding the Fourth Proportional to 231,482.40, 347,338.80 and 91,245.60

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Solution

The fourth proportional to 231,482.40, 347,338.80 and 91,245.60 is: 136,913.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,482.40 : 347,338.80 = 91,245.60 : x
  2. Step 2: Convert to fraction form
    231,482.40/347,338.80 = 91,245.60/x
  3. Step 3: Cross multiply
    231,482.40x = 347,338.80 × 91,245.60
  4. Step 4: Simplify right side
    231,482.40x = 31,693,137,209.28
  5. Step 5: Solve for x
    x = 31,693,137,209.28/231,482.40
  6. Step 6: Final answer
    x = 136,913.81

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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.