Finding the Fourth Proportional to 275,730.10, 413,595.15 and 181,251.70
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Solution
The fourth proportional to 275,730.10, 413,595.15 and 181,251.70 is: 271,877.55
Step by Step Solution
- Step 1: Write the proportion equation
275,730.10 : 413,595.15 = 181,251.70 : x - Step 2: Convert to fraction form
275,730.10/413,595.15 = 181,251.70/x - Step 3: Cross multiply
275,730.10x = 413,595.15 × 181,251.70 - Step 4: Simplify right side
275,730.10x = 74,964,824,049.26 - Step 5: Solve for x
x = 74,964,824,049.26/275,730.10 - Step 6: Final answer
x = 271,877.55
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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.