Home / 510,028.76-765,043.65-190,175.75

Finding the Fourth Proportional to 510,028.76, 765,043.65 and 190,175.75

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Solution

The fourth proportional to 510,028.76, 765,043.65 and 190,175.75 is: 285,263.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,028.76 : 765,043.65 = 190,175.75 : x
  2. Step 2: Convert to fraction form
    510,028.76/765,043.65 = 190,175.75/x
  3. Step 3: Cross multiply
    510,028.76x = 765,043.65 × 190,175.75
  4. Step 4: Simplify right side
    510,028.76x = 145,492,746,096.27
  5. Step 5: Solve for x
    x = 145,492,746,096.27/510,028.76
  6. Step 6: Final answer
    x = 285,263.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.