Finding the Fourth Proportional to 163,279.99, 225,310.98 and 91,646.02
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Solution
The fourth proportional to 163,279.99, 225,310.98 and 91,646.02 is: 126,462.86
Step by Step Solution
- Step 1: Write the proportion equation
163,279.99 : 225,310.98 = 91,646.02 : x - Step 2: Convert to fraction form
163,279.99/225,310.98 = 91,646.02/x - Step 3: Cross multiply
163,279.99x = 225,310.98 × 91,646.02 - Step 4: Simplify right side
163,279.99x = 20,648,854,579.30 - Step 5: Solve for x
x = 20,648,854,579.30/163,279.99 - Step 6: Final answer
x = 126,462.86
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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.