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Finding the Fourth Proportional to 528,268.88, 792,325.08 and 173,320.40

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Solution

The fourth proportional to 528,268.88, 792,325.08 and 173,320.40 is: 259,954.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,268.88 : 792,325.08 = 173,320.40 : x
  2. Step 2: Convert to fraction form
    528,268.88/792,325.08 = 173,320.40/x
  3. Step 3: Cross multiply
    528,268.88x = 792,325.08 × 173,320.40
  4. Step 4: Simplify right side
    528,268.88x = 137,326,099,795.63
  5. Step 5: Solve for x
    x = 137,326,099,795.63/528,268.88
  6. Step 6: Final answer
    x = 259,954.93

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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.