Home / 254,515.03-351,238.11-145,637.07

Finding the Fourth Proportional to 254,515.03, 351,238.11 and 145,637.07

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Solution

The fourth proportional to 254,515.03, 351,238.11 and 145,637.07 is: 200,983.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,515.03 : 351,238.11 = 145,637.07 : x
  2. Step 2: Convert to fraction form
    254,515.03/351,238.11 = 145,637.07/x
  3. Step 3: Cross multiply
    254,515.03x = 351,238.11 × 145,637.07
  4. Step 4: Simplify right side
    254,515.03x = 51,153,289,212.74
  5. Step 5: Solve for x
    x = 51,153,289,212.74/254,515.03
  6. Step 6: Final answer
    x = 200,983.37

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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.