Home / 510,868.62-766,036.85-190,757.28

Finding the Fourth Proportional to 510,868.62, 766,036.85 and 190,757.28

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Solution

The fourth proportional to 510,868.62, 766,036.85 and 190,757.28 is: 286,036.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,868.62 : 766,036.85 = 190,757.28 : x
  2. Step 2: Convert to fraction form
    510,868.62/766,036.85 = 190,757.28/x
  3. Step 3: Cross multiply
    510,868.62x = 766,036.85 × 190,757.28
  4. Step 4: Simplify right side
    510,868.62x = 146,127,103,495.66
  5. Step 5: Solve for x
    x = 146,127,103,495.66/510,868.62
  6. Step 6: Final answer
    x = 286,036.56

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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.