Home / 372,019.41-513,197.50-243,033.39

Finding the Fourth Proportional to 372,019.41, 513,197.50 and 243,033.39

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Solution

The fourth proportional to 372,019.41, 513,197.50 and 243,033.39 is: 335,262.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,019.41 : 513,197.50 = 243,033.39 : x
  2. Step 2: Convert to fraction form
    372,019.41/513,197.50 = 243,033.39/x
  3. Step 3: Cross multiply
    372,019.41x = 513,197.50 × 243,033.39
  4. Step 4: Simplify right side
    372,019.41x = 124,724,128,164.53
  5. Step 5: Solve for x
    x = 124,724,128,164.53/372,019.41
  6. Step 6: Final answer
    x = 335,262.42

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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.