Finding the Fourth Proportional to 838,703.11, 1,258,054.66 and 207,616.92
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Solution
The fourth proportional to 838,703.11, 1,258,054.66 and 207,616.92 is: 311,425.38
Step by Step Solution
- Step 1: Write the proportion equation
838,703.11 : 1,258,054.66 = 207,616.92 : x - Step 2: Convert to fraction form
838,703.11/1,258,054.66 = 207,616.92/x - Step 3: Cross multiply
838,703.11x = 1,258,054.66 × 207,616.92 - Step 4: Simplify right side
838,703.11x = 261,193,436,903.14 - Step 5: Solve for x
x = 261,193,436,903.14/838,703.11 - Step 6: Final answer
x = 311,425.38
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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.