Home / 312,420.05-468,533.17-112,714.47

Finding the Fourth Proportional to 312,420.05, 468,533.17 and 112,714.47

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Solution

The fourth proportional to 312,420.05, 468,533.17 and 112,714.47 is: 169,036.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,420.05 : 468,533.17 = 112,714.47 : x
  2. Step 2: Convert to fraction form
    312,420.05/468,533.17 = 112,714.47/x
  3. Step 3: Cross multiply
    312,420.05x = 468,533.17 × 112,714.47
  4. Step 4: Simplify right side
    312,420.05x = 52,810,467,933.97
  5. Step 5: Solve for x
    x = 52,810,467,933.97/312,420.05
  6. Step 6: Final answer
    x = 169,036.74

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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.