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Finding the Fourth Proportional to 262,774.66, 362,628.94 and 141,915.98

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Solution

The fourth proportional to 262,774.66, 362,628.94 and 141,915.98 is: 195,844.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,774.66 : 362,628.94 = 141,915.98 : x
  2. Step 2: Convert to fraction form
    262,774.66/362,628.94 = 141,915.98/x
  3. Step 3: Cross multiply
    262,774.66x = 362,628.94 × 141,915.98
  4. Step 4: Simplify right side
    262,774.66x = 51,462,841,396.46
  5. Step 5: Solve for x
    x = 51,462,841,396.46/262,774.66
  6. Step 6: Final answer
    x = 195,844.00

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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.