Home / 248,598.36-343,066.32-135,418.68

Finding the Fourth Proportional to 248,598.36, 343,066.32 and 135,418.68

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Solution

The fourth proportional to 248,598.36, 343,066.32 and 135,418.68 is: 186,878.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,598.36 : 343,066.32 = 135,418.68 : x
  2. Step 2: Convert to fraction form
    248,598.36/343,066.32 = 135,418.68/x
  3. Step 3: Cross multiply
    248,598.36x = 343,066.32 × 135,418.68
  4. Step 4: Simplify right side
    248,598.36x = 46,457,588,206.86
  5. Step 5: Solve for x
    x = 46,457,588,206.86/248,598.36
  6. Step 6: Final answer
    x = 186,878.10

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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.