Finding the Fourth Proportional to 438,886.23, 658,519.50 and 154,779.80
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Solution
The fourth proportional to 438,886.23, 658,519.50 and 154,779.80 is: 232,236.75
Step by Step Solution
- Step 1: Write the proportion equation
438,886.23 : 658,519.50 = 154,779.80 : x - Step 2: Convert to fraction form
438,886.23/658,519.50 = 154,779.80/x - Step 3: Cross multiply
438,886.23x = 658,519.50 × 154,779.80 - Step 4: Simplify right side
438,886.23x = 101,925,512,439.60 - Step 5: Solve for x
x = 101,925,512,439.60/438,886.23 - Step 6: Final answer
x = 232,236.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.