Finding the Fourth Proportional to 249,486.12, 374,266.08 and 91,702.26
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Solution
The fourth proportional to 249,486.12, 374,266.08 and 91,702.26 is: 137,566.95
Step by Step Solution
- Step 1: Write the proportion equation
249,486.12 : 374,266.08 = 91,702.26 : x - Step 2: Convert to fraction form
249,486.12/374,266.08 = 91,702.26/x - Step 3: Cross multiply
249,486.12x = 374,266.08 × 91,702.26 - Step 4: Simplify right side
249,486.12x = 34,321,045,377.34 - Step 5: Solve for x
x = 34,321,045,377.34/249,486.12 - Step 6: Final answer
x = 137,566.95
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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.