Finding the Fourth Proportional to 448,328.68, 672,487.26 and 148,946.92
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Solution
The fourth proportional to 448,328.68, 672,487.26 and 148,946.92 is: 223,418.47
Step by Step Solution
- Step 1: Write the proportion equation
448,328.68 : 672,487.26 = 148,946.92 : x - Step 2: Convert to fraction form
448,328.68/672,487.26 = 148,946.92/x - Step 3: Cross multiply
448,328.68x = 672,487.26 × 148,946.92 - Step 4: Simplify right side
448,328.68x = 100,164,906,116.24 - Step 5: Solve for x
x = 100,164,906,116.24/448,328.68 - Step 6: Final answer
x = 223,418.47
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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.