Home / 285,090.60-391,329.36-252,102.44

Finding the Fourth Proportional to 285,090.60, 391,329.36 and 252,102.44

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Solution

The fourth proportional to 285,090.60, 391,329.36 and 252,102.44 is: 346,048.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,090.60 : 391,329.36 = 252,102.44 : x
  2. Step 2: Convert to fraction form
    285,090.60/391,329.36 = 252,102.44/x
  3. Step 3: Cross multiply
    285,090.60x = 391,329.36 × 252,102.44
  4. Step 4: Simplify right side
    285,090.60x = 98,655,088,541.52
  5. Step 5: Solve for x
    x = 98,655,088,541.52/285,090.60
  6. Step 6: Final answer
    x = 346,048.19

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.