Finding the Fourth Proportional to 838,701.05, 1,257,872.96 and 239,503.14
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Solution
The fourth proportional to 838,701.05, 1,257,872.96 and 239,503.14 is: 359,203.71
Step by Step Solution
- Step 1: Write the proportion equation
838,701.05 : 1,257,872.96 = 239,503.14 : x - Step 2: Convert to fraction form
838,701.05/1,257,872.96 = 239,503.14/x - Step 3: Cross multiply
838,701.05x = 1,257,872.96 × 239,503.14 - Step 4: Simplify right side
838,701.05x = 301,264,524,239.85 - Step 5: Solve for x
x = 301,264,524,239.85/838,701.05 - Step 6: Final answer
x = 359,203.71
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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.