Home / 254,907-351,628.18-152,905.32

Finding the Fourth Proportional to 254,907, 351,628.18 and 152,905.32

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Solution

The fourth proportional to 254,907, 351,628.18 and 152,905.32 is: 210,923.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,907 : 351,628.18 = 152,905.32 : x
  2. Step 2: Convert to fraction form
    254,907/351,628.18 = 152,905.32/x
  3. Step 3: Cross multiply
    254,907x = 351,628.18 × 152,905.32
  4. Step 4: Simplify right side
    254,907x = 53,765,819,383.92
  5. Step 5: Solve for x
    x = 53,765,819,383.92/254,907
  6. Step 6: Final answer
    x = 210,923.28

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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.