Home / 293,030.20-439,739.70-166,670.20

Finding the Fourth Proportional to 293,030.20, 439,739.70 and 166,670.20

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Solution

The fourth proportional to 293,030.20, 439,739.70 and 166,670.20 is: 250,115.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,030.20 : 439,739.70 = 166,670.20 : x
  2. Step 2: Convert to fraction form
    293,030.20/439,739.70 = 166,670.20/x
  3. Step 3: Cross multiply
    293,030.20x = 439,739.70 × 166,670.20
  4. Step 4: Simplify right side
    293,030.20x = 73,291,503,746.94
  5. Step 5: Solve for x
    x = 73,291,503,746.94/293,030.20
  6. Step 6: Final answer
    x = 250,115.87

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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.