Home / 242,530.08-363,778.17-90,698.28

Finding the Fourth Proportional to 242,530.08, 363,778.17 and 90,698.28

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Solution

The fourth proportional to 242,530.08, 363,778.17 and 90,698.28 is: 136,041.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,530.08 : 363,778.17 = 90,698.28 : x
  2. Step 2: Convert to fraction form
    242,530.08/363,778.17 = 90,698.28/x
  3. Step 3: Cross multiply
    242,530.08x = 363,778.17 × 90,698.28
  4. Step 4: Simplify right side
    242,530.08x = 32,994,052,048.17
  5. Step 5: Solve for x
    x = 32,994,052,048.17/242,530.08
  6. Step 6: Final answer
    x = 136,041.07

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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.