Finding the Fourth Proportional to 161,437.60, 242,098.80 and 61,571.68
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Solution
The fourth proportional to 161,437.60, 242,098.80 and 61,571.68 is: 92,335.55
Step by Step Solution
- Step 1: Write the proportion equation
161,437.60 : 242,098.80 = 61,571.68 : x - Step 2: Convert to fraction form
161,437.60/242,098.80 = 61,571.68/x - Step 3: Cross multiply
161,437.60x = 242,098.80 × 61,571.68 - Step 4: Simplify right side
161,437.60x = 14,906,429,841.98 - Step 5: Solve for x
x = 14,906,429,841.98/161,437.60 - Step 6: Final answer
x = 92,335.55
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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.