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Finding the Fourth Proportional to 624,840.15, 937,066.48 and 225,429.01

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Solution

The fourth proportional to 624,840.15, 937,066.48 and 225,429.01 is: 338,073.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,840.15 : 937,066.48 = 225,429.01 : x
  2. Step 2: Convert to fraction form
    624,840.15/937,066.48 = 225,429.01/x
  3. Step 3: Cross multiply
    624,840.15x = 937,066.48 × 225,429.01
  4. Step 4: Simplify right side
    624,840.15x = 211,241,968,890.59
  5. Step 5: Solve for x
    x = 211,241,968,890.59/624,840.15
  6. Step 6: Final answer
    x = 338,073.62

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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.