Home / 314,917.37-472,233.90-90,226.36

Finding the Fourth Proportional to 314,917.37, 472,233.90 and 90,226.36

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Solution

The fourth proportional to 314,917.37, 472,233.90 and 90,226.36 is: 135,298.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,917.37 : 472,233.90 = 90,226.36 : x
  2. Step 2: Convert to fraction form
    314,917.37/472,233.90 = 90,226.36/x
  3. Step 3: Cross multiply
    314,917.37x = 472,233.90 × 90,226.36
  4. Step 4: Simplify right side
    314,917.37x = 42,607,943,630.41
  5. Step 5: Solve for x
    x = 42,607,943,630.41/314,917.37
  6. Step 6: Final answer
    x = 135,298.80

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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.