Finding the Fourth Proportional to 316,779.70, 437,154.69 and 173,548.66
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Solution
The fourth proportional to 316,779.70, 437,154.69 and 173,548.66 is: 239,496.44
Step by Step Solution
- Step 1: Write the proportion equation
316,779.70 : 437,154.69 = 173,548.66 : x - Step 2: Convert to fraction form
316,779.70/437,154.69 = 173,548.66/x - Step 3: Cross multiply
316,779.70x = 437,154.69 × 173,548.66 - Step 4: Simplify right side
316,779.70x = 75,867,610,662.22 - Step 5: Solve for x
x = 75,867,610,662.22/316,779.70 - Step 6: Final answer
x = 239,496.44
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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.