Finding the Fourth Proportional to 347,779.71, 479,116.66 and 326,854.23
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Solution
The fourth proportional to 347,779.71, 479,116.66 and 326,854.23 is: 450,288.80
Step by Step Solution
- Step 1: Write the proportion equation
347,779.71 : 479,116.66 = 326,854.23 : x - Step 2: Convert to fraction form
347,779.71/479,116.66 = 326,854.23/x - Step 3: Cross multiply
347,779.71x = 479,116.66 × 326,854.23 - Step 4: Simplify right side
347,779.71x = 156,601,306,984.47 - Step 5: Solve for x
x = 156,601,306,984.47/347,779.71 - Step 6: Final answer
x = 450,288.80
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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.