Finding the Fourth Proportional to 427,252.96, 640,923.36 and 161,237.44
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Solution
The fourth proportional to 427,252.96, 640,923.36 and 161,237.44 is: 241,872.73
Step by Step Solution
- Step 1: Write the proportion equation
427,252.96 : 640,923.36 = 161,237.44 : x - Step 2: Convert to fraction form
427,252.96/640,923.36 = 161,237.44/x - Step 3: Cross multiply
427,252.96x = 640,923.36 × 161,237.44 - Step 4: Simplify right side
427,252.96x = 103,340,841,802.60 - Step 5: Solve for x
x = 103,340,841,802.60/427,252.96 - Step 6: Final answer
x = 241,872.73
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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.