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Finding the Fourth Proportional to 461,090.44, 636,087.64 and 299,886.67

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Solution

The fourth proportional to 461,090.44, 636,087.64 and 299,886.67 is: 413,702.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,090.44 : 636,087.64 = 299,886.67 : x
  2. Step 2: Convert to fraction form
    461,090.44/636,087.64 = 299,886.67/x
  3. Step 3: Cross multiply
    461,090.44x = 636,087.64 × 299,886.67
  4. Step 4: Simplify right side
    461,090.44x = 190,754,205,955.15
  5. Step 5: Solve for x
    x = 190,754,205,955.15/461,090.44
  6. Step 6: Final answer
    x = 413,702.36

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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.