Finding the Fourth Proportional to 108,532.30, 149,779.19 and 63,202.98
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Solution
The fourth proportional to 108,532.30, 149,779.19 and 63,202.98 is: 87,222.80
Step by Step Solution
- Step 1: Write the proportion equation
108,532.30 : 149,779.19 = 63,202.98 : x - Step 2: Convert to fraction form
108,532.30/149,779.19 = 63,202.98/x - Step 3: Cross multiply
108,532.30x = 149,779.19 × 63,202.98 - Step 4: Simplify right side
108,532.30x = 9,466,491,070.98 - Step 5: Solve for x
x = 9,466,491,070.98/108,532.30 - Step 6: Final answer
x = 87,222.80
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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.