Home / 324,756.12-487,009.56-111,484.32

Finding the Fourth Proportional to 324,756.12, 487,009.56 and 111,484.32

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Solution

The fourth proportional to 324,756.12, 487,009.56 and 111,484.32 is: 167,183.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,756.12 : 487,009.56 = 111,484.32 : x
  2. Step 2: Convert to fraction form
    324,756.12/487,009.56 = 111,484.32/x
  3. Step 3: Cross multiply
    324,756.12x = 487,009.56 × 111,484.32
  4. Step 4: Simplify right side
    324,756.12x = 54,293,929,630.10
  5. Step 5: Solve for x
    x = 54,293,929,630.10/324,756.12
  6. Step 6: Final answer
    x = 167,183.70

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1.5x scale

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.