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Finding the Fourth Proportional to 367,693.24, 552,006.54 and 312,639.16

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Solution

The fourth proportional to 367,693.24, 552,006.54 and 312,639.16 is: 469,355.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,693.24 : 552,006.54 = 312,639.16 : x
  2. Step 2: Convert to fraction form
    367,693.24/552,006.54 = 312,639.16/x
  3. Step 3: Cross multiply
    367,693.24x = 552,006.54 × 312,639.16
  4. Step 4: Simplify right side
    367,693.24x = 172,578,860,980.11
  5. Step 5: Solve for x
    x = 172,578,860,980.11/367,693.24
  6. Step 6: Final answer
    x = 469,355.54

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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.