Home / 330,075.76-455,504.16-179,172.76

Finding the Fourth Proportional to 330,075.76, 455,504.16 and 179,172.76

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Solution

The fourth proportional to 330,075.76, 455,504.16 and 179,172.76 is: 247,258.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,075.76 : 455,504.16 = 179,172.76 : x
  2. Step 2: Convert to fraction form
    330,075.76/455,504.16 = 179,172.76/x
  3. Step 3: Cross multiply
    330,075.76x = 455,504.16 × 179,172.76
  4. Step 4: Simplify right side
    330,075.76x = 81,613,937,538.68
  5. Step 5: Solve for x
    x = 81,613,937,538.68/330,075.76
  6. Step 6: Final answer
    x = 247,258.20

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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.