Home / 343,337.48-515,028.86-118,719.64

Finding the Fourth Proportional to 343,337.48, 515,028.86 and 118,719.64

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Solution

The fourth proportional to 343,337.48, 515,028.86 and 118,719.64 is: 178,087.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,337.48 : 515,028.86 = 118,719.64 : x
  2. Step 2: Convert to fraction form
    343,337.48/515,028.86 = 118,719.64/x
  3. Step 3: Cross multiply
    343,337.48x = 515,028.86 × 118,719.64
  4. Step 4: Simplify right side
    343,337.48x = 61,144,040,848.81
  5. Step 5: Solve for x
    x = 61,144,040,848.81/343,337.48
  6. Step 6: Final answer
    x = 178,087.29

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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.