Finding the Fourth Proportional to 161,823.24, 223,312.88 and 90,198.99
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Solution
The fourth proportional to 161,823.24, 223,312.88 and 90,198.99 is: 124,472.82
Step by Step Solution
- Step 1: Write the proportion equation
161,823.24 : 223,312.88 = 90,198.99 : x - Step 2: Convert to fraction form
161,823.24/223,312.88 = 90,198.99/x - Step 3: Cross multiply
161,823.24x = 223,312.88 × 90,198.99 - Step 4: Simplify right side
161,823.24x = 20,142,595,779.00 - Step 5: Solve for x
x = 20,142,595,779.00/161,823.24 - Step 6: Final answer
x = 124,472.82
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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.