Home / 372,394.48-513,836.38-243,298.60

Finding the Fourth Proportional to 372,394.48, 513,836.38 and 243,298.60

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Solution

The fourth proportional to 372,394.48, 513,836.38 and 243,298.60 is: 335,707.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,394.48 : 513,836.38 = 243,298.60 : x
  2. Step 2: Convert to fraction form
    372,394.48/513,836.38 = 243,298.60/x
  3. Step 3: Cross multiply
    372,394.48x = 513,836.38 × 243,298.60
  4. Step 4: Simplify right side
    372,394.48x = 125,015,671,883.07
  5. Step 5: Solve for x
    x = 125,015,671,883.07/372,394.48
  6. Step 6: Final answer
    x = 335,707.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.