Finding the Fourth Proportional to 131,803.49, 197,664.35 and 47,552.70
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Solution
The fourth proportional to 131,803.49, 197,664.35 and 47,552.70 is: 71,314.30
Step by Step Solution
- Step 1: Write the proportion equation
131,803.49 : 197,664.35 = 47,552.70 : x - Step 2: Convert to fraction form
131,803.49/197,664.35 = 47,552.70/x - Step 3: Cross multiply
131,803.49x = 197,664.35 × 47,552.70 - Step 4: Simplify right side
131,803.49x = 9,399,473,655.13 - Step 5: Solve for x
x = 9,399,473,655.13/131,803.49 - Step 6: Final answer
x = 71,314.30
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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.