Home / 315,033.69-472,015.94-190,112.25

Finding the Fourth Proportional to 315,033.69, 472,015.94 and 190,112.25

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Solution

The fourth proportional to 315,033.69, 472,015.94 and 190,112.25 is: 284,845.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,033.69 : 472,015.94 = 190,112.25 : x
  2. Step 2: Convert to fraction form
    315,033.69/472,015.94 = 190,112.25/x
  3. Step 3: Cross multiply
    315,033.69x = 472,015.94 × 190,112.25
  4. Step 4: Simplify right side
    315,033.69x = 89,736,011,438.70
  5. Step 5: Solve for x
    x = 89,736,011,438.70/315,033.69
  6. Step 6: Final answer
    x = 284,845.76

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1.5x scale

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.