Home / 343,707.12-474,313.20-190,743.84

Finding the Fourth Proportional to 343,707.12, 474,313.20 and 190,743.84

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Solution

The fourth proportional to 343,707.12, 474,313.20 and 190,743.84 is: 263,225.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,707.12 : 474,313.20 = 190,743.84 : x
  2. Step 2: Convert to fraction form
    343,707.12/474,313.20 = 190,743.84/x
  3. Step 3: Cross multiply
    343,707.12x = 474,313.20 × 190,743.84
  4. Step 4: Simplify right side
    343,707.12x = 90,472,321,130.69
  5. Step 5: Solve for x
    x = 90,472,321,130.69/343,707.12
  6. Step 6: Final answer
    x = 263,225.04

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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.