Home / 350,824.84-484,137.30-189,678.76

Finding the Fourth Proportional to 350,824.84, 484,137.30 and 189,678.76

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Solution

The fourth proportional to 350,824.84, 484,137.30 and 189,678.76 is: 261,756.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,824.84 : 484,137.30 = 189,678.76 : x
  2. Step 2: Convert to fraction form
    350,824.84/484,137.30 = 189,678.76/x
  3. Step 3: Cross multiply
    350,824.84x = 484,137.30 × 189,678.76
  4. Step 4: Simplify right side
    350,824.84x = 91,830,562,733.75
  5. Step 5: Solve for x
    x = 91,830,562,733.75/350,824.84
  6. Step 6: Final answer
    x = 261,756.16

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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.