Home / 372,022.53-513,201.83-243,036.51

Finding the Fourth Proportional to 372,022.53, 513,201.83 and 243,036.51

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Solution

The fourth proportional to 372,022.53, 513,201.83 and 243,036.51 is: 335,266.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,022.53 : 513,201.83 = 243,036.51 : x
  2. Step 2: Convert to fraction form
    372,022.53/513,201.83 = 243,036.51/x
  3. Step 3: Cross multiply
    372,022.53x = 513,201.83 × 243,036.51
  4. Step 4: Simplify right side
    372,022.53x = 124,726,780,473.63
  5. Step 5: Solve for x
    x = 124,726,780,473.63/372,022.53
  6. Step 6: Final answer
    x = 335,266.74

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1.5x scale

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.