Home / 395,913.12-546,449.28-332,140.16

Finding the Fourth Proportional to 395,913.12, 546,449.28 and 332,140.16

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Solution

The fourth proportional to 395,913.12, 546,449.28 and 332,140.16 is: 458,428.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,913.12 : 546,449.28 = 332,140.16 : x
  2. Step 2: Convert to fraction form
    395,913.12/546,449.28 = 332,140.16/x
  3. Step 3: Cross multiply
    395,913.12x = 546,449.28 × 332,140.16
  4. Step 4: Simplify right side
    395,913.12x = 181,497,751,291.09
  5. Step 5: Solve for x
    x = 181,497,751,291.09/395,913.12
  6. Step 6: Final answer
    x = 458,428.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.