Home / 331,499.16-497,297.75-121,087.89

Finding the Fourth Proportional to 331,499.16, 497,297.75 and 121,087.89

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Solution

The fourth proportional to 331,499.16, 497,297.75 and 121,087.89 is: 181,649.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,499.16 : 497,297.75 = 121,087.89 : x
  2. Step 2: Convert to fraction form
    331,499.16/497,297.75 = 121,087.89/x
  3. Step 3: Cross multiply
    331,499.16x = 497,297.75 × 121,087.89
  4. Step 4: Simplify right side
    331,499.16x = 60,216,734,643.81
  5. Step 5: Solve for x
    x = 60,216,734,643.81/331,499.16
  6. Step 6: Final answer
    x = 181,649.74

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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.