Finding the Fourth Proportional to 478,583.41, 717,696.36 and 158,676.61
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Solution
The fourth proportional to 478,583.41, 717,696.36 and 158,676.61 is: 237,955.65
Step by Step Solution
- Step 1: Write the proportion equation
478,583.41 : 717,696.36 = 158,676.61 : x - Step 2: Convert to fraction form
478,583.41/717,696.36 = 158,676.61/x - Step 3: Cross multiply
478,583.41x = 717,696.36 × 158,676.61 - Step 4: Simplify right side
478,583.41x = 113,881,625,414.14 - Step 5: Solve for x
x = 113,881,625,414.14/478,583.41 - Step 6: Final answer
x = 237,955.65
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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.