Finding the Fourth Proportional to 163,226.58, 225,252.94 and 91,606.70
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Solution
The fourth proportional to 163,226.58, 225,252.94 and 91,606.70 is: 126,417.39
Step by Step Solution
- Step 1: Write the proportion equation
163,226.58 : 225,252.94 = 91,606.70 : x - Step 2: Convert to fraction form
163,226.58/225,252.94 = 91,606.70/x - Step 3: Cross multiply
163,226.58x = 225,252.94 × 91,606.70 - Step 4: Simplify right side
163,226.58x = 20,634,678,498.70 - Step 5: Solve for x
x = 20,634,678,498.70/163,226.58 - Step 6: Final answer
x = 126,417.39
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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.