Finding the Fourth Proportional to 163,218.29, 225,237.44 and 91,596.47
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Solution
The fourth proportional to 163,218.29, 225,237.44 and 91,596.47 is: 126,400.99
Step by Step Solution
- Step 1: Write the proportion equation
163,218.29 : 225,237.44 = 91,596.47 : x - Step 2: Convert to fraction form
163,218.29/225,237.44 = 91,596.47/x - Step 3: Cross multiply
163,218.29x = 225,237.44 × 91,596.47 - Step 4: Simplify right side
163,218.29x = 20,630,953,518.64 - Step 5: Solve for x
x = 20,630,953,518.64/163,218.29 - Step 6: Final answer
x = 126,400.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.