Home / 351,457.93-485,011.20-190,313.43

Finding the Fourth Proportional to 351,457.93, 485,011.20 and 190,313.43

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Solution

The fourth proportional to 351,457.93, 485,011.20 and 190,313.43 is: 262,632.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,457.93 : 485,011.20 = 190,313.43 : x
  2. Step 2: Convert to fraction form
    351,457.93/485,011.20 = 190,313.43/x
  3. Step 3: Cross multiply
    351,457.93x = 485,011.20 × 190,313.43
  4. Step 4: Simplify right side
    351,457.93x = 92,304,145,060.42
  5. Step 5: Solve for x
    x = 92,304,145,060.42/351,457.93
  6. Step 6: Final answer
    x = 262,632.13

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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.