Home / 242,910.32-335,216.75-135,477.59

Finding the Fourth Proportional to 242,910.32, 335,216.75 and 135,477.59

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Solution

The fourth proportional to 242,910.32, 335,216.75 and 135,477.59 is: 186,959.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,910.32 : 335,216.75 = 135,477.59 : x
  2. Step 2: Convert to fraction form
    242,910.32/335,216.75 = 135,477.59/x
  3. Step 3: Cross multiply
    242,910.32x = 335,216.75 × 135,477.59
  4. Step 4: Simplify right side
    242,910.32x = 45,414,355,064.16
  5. Step 5: Solve for x
    x = 45,414,355,064.16/242,910.32
  6. Step 6: Final answer
    x = 186,959.35

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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.