Home / 248,740.79-343,263.44-141,316.71

Finding the Fourth Proportional to 248,740.79, 343,263.44 and 141,316.71

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Solution

The fourth proportional to 248,740.79, 343,263.44 and 141,316.71 is: 195,017.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,740.79 : 343,263.44 = 141,316.71 : x
  2. Step 2: Convert to fraction form
    248,740.79/343,263.44 = 141,316.71/x
  3. Step 3: Cross multiply
    248,740.79x = 343,263.44 × 141,316.71
  4. Step 4: Simplify right side
    248,740.79x = 48,508,860,004.08
  5. Step 5: Solve for x
    x = 48,508,860,004.08/248,740.79
  6. Step 6: Final answer
    x = 195,017.71

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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.