Home / 248,819-343,370.32-141,389.16

Finding the Fourth Proportional to 248,819, 343,370.32 and 141,389.16

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Solution

The fourth proportional to 248,819, 343,370.32 and 141,389.16 is: 195,117.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,819 : 343,370.32 = 141,389.16 : x
  2. Step 2: Convert to fraction form
    248,819/343,370.32 = 141,389.16/x
  3. Step 3: Cross multiply
    248,819x = 343,370.32 × 141,389.16
  4. Step 4: Simplify right side
    248,819x = 48,548,841,113.73
  5. Step 5: Solve for x
    x = 48,548,841,113.73/248,819
  6. Step 6: Final answer
    x = 195,117.10

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1.5x scale

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.