Finding the Fourth Proportional to 155,518.68, 232,996.41 and 71,349.24
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Solution
The fourth proportional to 155,518.68, 232,996.41 and 71,349.24 is: 106,894.66
Step by Step Solution
- Step 1: Write the proportion equation
155,518.68 : 232,996.41 = 71,349.24 : x - Step 2: Convert to fraction form
155,518.68/232,996.41 = 71,349.24/x - Step 3: Cross multiply
155,518.68x = 232,996.41 × 71,349.24 - Step 4: Simplify right side
155,518.68x = 16,624,116,776.23 - Step 5: Solve for x
x = 16,624,116,776.23/155,518.68 - Step 6: Final answer
x = 106,894.66
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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.