Home / 540,786.78-811,118.21-141,466.10

Finding the Fourth Proportional to 540,786.78, 811,118.21 and 141,466.10

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Solution

The fourth proportional to 540,786.78, 811,118.21 and 141,466.10 is: 212,182.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,786.78 : 811,118.21 = 141,466.10 : x
  2. Step 2: Convert to fraction form
    540,786.78/811,118.21 = 141,466.10/x
  3. Step 3: Cross multiply
    540,786.78x = 811,118.21 × 141,466.10
  4. Step 4: Simplify right side
    540,786.78x = 114,745,725,044.76
  5. Step 5: Solve for x
    x = 114,745,725,044.76/540,786.78
  6. Step 6: Final answer
    x = 212,182.93

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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.