Finding the Fourth Proportional to 299,192.28, 448,813.08 and 215,342.70
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Solution
The fourth proportional to 299,192.28, 448,813.08 and 215,342.70 is: 323,031.80
Step by Step Solution
- Step 1: Write the proportion equation
299,192.28 : 448,813.08 = 215,342.70 : x - Step 2: Convert to fraction form
299,192.28/448,813.08 = 215,342.70/x - Step 3: Cross multiply
299,192.28x = 448,813.08 × 215,342.70 - Step 4: Simplify right side
299,192.28x = 96,648,620,442.52 - Step 5: Solve for x
x = 96,648,620,442.52/299,192.28 - Step 6: Final answer
x = 323,031.80
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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.