Finding the Fourth Proportional to 373,637.34, 515,484.81 and 287,622.63
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Solution
The fourth proportional to 373,637.34, 515,484.81 and 287,622.63 is: 396,815.52
Step by Step Solution
- Step 1: Write the proportion equation
373,637.34 : 515,484.81 = 287,622.63 : x - Step 2: Convert to fraction form
373,637.34/515,484.81 = 287,622.63/x - Step 3: Cross multiply
373,637.34x = 515,484.81 × 287,622.63 - Step 4: Simplify right side
373,637.34x = 148,265,096,777.25 - Step 5: Solve for x
x = 148,265,096,777.25/373,637.34 - Step 6: Final answer
x = 396,815.52
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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.