Finding the Fourth Proportional to 155,160.87, 232,553.17 and 70,805.44
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Solution
The fourth proportional to 155,160.87, 232,553.17 and 70,805.44 is: 106,122.31
Step by Step Solution
- Step 1: Write the proportion equation
155,160.87 : 232,553.17 = 70,805.44 : x - Step 2: Convert to fraction form
155,160.87/232,553.17 = 70,805.44/x - Step 3: Cross multiply
155,160.87x = 232,553.17 × 70,805.44 - Step 4: Simplify right side
155,160.87x = 16,466,029,525.24 - Step 5: Solve for x
x = 16,466,029,525.24/155,160.87 - Step 6: Final answer
x = 106,122.31
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1.5x scale
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.