Finding the Fourth Proportional to 838,232.16, 1,257,335.94 and 207,145.96
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Solution
The fourth proportional to 838,232.16, 1,257,335.94 and 207,145.96 is: 310,715.90
Step by Step Solution
- Step 1: Write the proportion equation
838,232.16 : 1,257,335.94 = 207,145.96 : x - Step 2: Convert to fraction form
838,232.16/1,257,335.94 = 207,145.96/x - Step 3: Cross multiply
838,232.16x = 1,257,335.94 × 207,145.96 - Step 4: Simplify right side
838,232.16x = 260,452,060,333.80 - Step 5: Solve for x
x = 260,452,060,333.80/838,232.16 - Step 6: Final answer
x = 310,715.90
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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.