Home / 791,090.40-1,186,290-230,112.48

Finding the Fourth Proportional to 791,090.40, 1,186,290 and 230,112.48

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Solution

The fourth proportional to 791,090.40, 1,186,290 and 230,112.48 is: 345,068.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,090.40 : 1,186,290 = 230,112.48 : x
  2. Step 2: Convert to fraction form
    791,090.40/1,186,290 = 230,112.48/x
  3. Step 3: Cross multiply
    791,090.40x = 1,186,290 × 230,112.48
  4. Step 4: Simplify right side
    791,090.40x = 272,980,133,899.20
  5. Step 5: Solve for x
    x = 272,980,133,899.20/791,090.40
  6. Step 6: Final answer
    x = 345,068.19

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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.