Finding the Fourth Proportional to 131,866.05, 197,811.23 and 47,613.09
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Solution
The fourth proportional to 131,866.05, 197,811.23 and 47,613.09 is: 71,424.02
Step by Step Solution
- Step 1: Write the proportion equation
131,866.05 : 197,811.23 = 47,613.09 : x - Step 2: Convert to fraction form
131,866.05/197,811.23 = 47,613.09/x - Step 3: Cross multiply
131,866.05x = 197,811.23 × 47,613.09 - Step 4: Simplify right side
131,866.05x = 9,418,403,897.00 - Step 5: Solve for x
x = 9,418,403,897.00/131,866.05 - Step 6: Final answer
x = 71,424.02
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1.5x scale
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.