Finding the Fourth Proportional to 838,233.16, 1,257,337.44 and 207,146.96
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Solution
The fourth proportional to 838,233.16, 1,257,337.44 and 207,146.96 is: 310,717.40
Step by Step Solution
- Step 1: Write the proportion equation
838,233.16 : 1,257,337.44 = 207,146.96 : x - Step 2: Convert to fraction form
838,233.16/1,257,337.44 = 207,146.96/x - Step 3: Cross multiply
838,233.16x = 1,257,337.44 × 207,146.96 - Step 4: Simplify right side
838,233.16x = 260,453,628,390.18 - Step 5: Solve for x
x = 260,453,628,390.18/838,233.16 - Step 6: Final answer
x = 310,717.40
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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.