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Finding the Fourth Proportional to 458,695.66, 633,093.16 and 265,111.60

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Solution

The fourth proportional to 458,695.66, 633,093.16 and 265,111.60 is: 365,907.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,695.66 : 633,093.16 = 265,111.60 : x
  2. Step 2: Convert to fraction form
    458,695.66/633,093.16 = 265,111.60/x
  3. Step 3: Cross multiply
    458,695.66x = 633,093.16 × 265,111.60
  4. Step 4: Simplify right side
    458,695.66x = 167,840,340,596.66
  5. Step 5: Solve for x
    x = 167,840,340,596.66/458,695.66
  6. Step 6: Final answer
    x = 365,907.85

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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.