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Finding the Fourth Proportional to 488,712.90, 732,889.50 and 168,783.36

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Solution

The fourth proportional to 488,712.90, 732,889.50 and 168,783.36 is: 253,112.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,712.90 : 732,889.50 = 168,783.36 : x
  2. Step 2: Convert to fraction form
    488,712.90/732,889.50 = 168,783.36/x
  3. Step 3: Cross multiply
    488,712.90x = 732,889.50 × 168,783.36
  4. Step 4: Simplify right side
    488,712.90x = 123,699,552,318.72
  5. Step 5: Solve for x
    x = 123,699,552,318.72/488,712.90
  6. Step 6: Final answer
    x = 253,112.93

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.