Finding the Fourth Proportional to 373,652.57, 515,637.83 and 212,507.44
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Solution
The fourth proportional to 373,652.57, 515,637.83 and 212,507.44 is: 293,258.72
Step by Step Solution
- Step 1: Write the proportion equation
373,652.57 : 515,637.83 = 212,507.44 : x - Step 2: Convert to fraction form
373,652.57/515,637.83 = 212,507.44/x - Step 3: Cross multiply
373,652.57x = 515,637.83 × 212,507.44 - Step 4: Simplify right side
373,652.57x = 109,576,874,462.63 - Step 5: Solve for x
x = 109,576,874,462.63/373,652.57 - Step 6: Final answer
x = 293,258.72
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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.