Finding the Fourth Proportional to 161,738.02, 242,639.84 and 56,630.80
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Solution
The fourth proportional to 161,738.02, 242,639.84 and 56,630.80 is: 84,957.69
Step by Step Solution
- Step 1: Write the proportion equation
161,738.02 : 242,639.84 = 56,630.80 : x - Step 2: Convert to fraction form
161,738.02/242,639.84 = 56,630.80/x - Step 3: Cross multiply
161,738.02x = 242,639.84 × 56,630.80 - Step 4: Simplify right side
161,738.02x = 13,740,888,251.07 - Step 5: Solve for x
x = 13,740,888,251.07/161,738.02 - Step 6: Final answer
x = 84,957.69
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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.