Finding the Fourth Proportional to 155,564.49, 214,622.85 and 101,880.12
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Solution
The fourth proportional to 155,564.49, 214,622.85 and 101,880.12 is: 140,557.80
Step by Step Solution
- Step 1: Write the proportion equation
155,564.49 : 214,622.85 = 101,880.12 : x - Step 2: Convert to fraction form
155,564.49/214,622.85 = 101,880.12/x - Step 3: Cross multiply
155,564.49x = 214,622.85 × 101,880.12 - Step 4: Simplify right side
155,564.49x = 21,865,801,712.74 - Step 5: Solve for x
x = 21,865,801,712.74/155,564.49 - Step 6: Final answer
x = 140,557.80
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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.