Finding the Fourth Proportional to 155,223.68, 232,836.96 and 61,753.28
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Solution
The fourth proportional to 155,223.68, 232,836.96 and 61,753.28 is: 92,630.49
Step by Step Solution
- Step 1: Write the proportion equation
155,223.68 : 232,836.96 = 61,753.28 : x - Step 2: Convert to fraction form
155,223.68/232,836.96 = 61,753.28/x - Step 3: Cross multiply
155,223.68x = 232,836.96 × 61,753.28 - Step 4: Simplify right side
155,223.68x = 14,378,445,985.23 - Step 5: Solve for x
x = 14,378,445,985.23/155,223.68 - Step 6: Final answer
x = 92,630.49
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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.