Home / 248,599.17-343,065.06-135,421.92

Finding the Fourth Proportional to 248,599.17, 343,065.06 and 135,421.92

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Solution

The fourth proportional to 248,599.17, 343,065.06 and 135,421.92 is: 186,881.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,599.17 : 343,065.06 = 135,421.92 : x
  2. Step 2: Convert to fraction form
    248,599.17/343,065.06 = 135,421.92/x
  3. Step 3: Cross multiply
    248,599.17x = 343,065.06 × 135,421.92
  4. Step 4: Simplify right side
    248,599.17x = 46,458,529,110.12
  5. Step 5: Solve for x
    x = 46,458,529,110.12/248,599.17
  6. Step 6: Final answer
    x = 186,881.27

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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.