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Finding the Fourth Proportional to 504,502.58, 756,732 and 125,415.38

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Solution

The fourth proportional to 504,502.58, 756,732 and 125,415.38 is: 188,117.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,502.58 : 756,732 = 125,415.38 : x
  2. Step 2: Convert to fraction form
    504,502.58/756,732 = 125,415.38/x
  3. Step 3: Cross multiply
    504,502.58x = 756,732 × 125,415.38
  4. Step 4: Simplify right side
    504,502.58x = 94,905,831,338.16
  5. Step 5: Solve for x
    x = 94,905,831,338.16/504,502.58
  6. Step 6: Final answer
    x = 188,117.63

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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.