Finding the Fourth Proportional to 247,644.80, 371,564.40 and 97,859.60
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Solution
The fourth proportional to 247,644.80, 371,564.40 and 97,859.60 is: 146,827.81
Step by Step Solution
- Step 1: Write the proportion equation
247,644.80 : 371,564.40 = 97,859.60 : x - Step 2: Convert to fraction form
247,644.80/371,564.40 = 97,859.60/x - Step 3: Cross multiply
247,644.80x = 371,564.40 × 97,859.60 - Step 4: Simplify right side
247,644.80x = 36,361,143,558.24 - Step 5: Solve for x
x = 36,361,143,558.24/247,644.80 - Step 6: Final answer
x = 146,827.81
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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.