Finding the Fourth Proportional to 249,702.24, 374,590.64 and 91,918.69
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Solution
The fourth proportional to 249,702.24, 374,590.64 and 91,918.69 is: 137,891.76
Step by Step Solution
- Step 1: Write the proportion equation
249,702.24 : 374,590.64 = 91,918.69 : x - Step 2: Convert to fraction form
249,702.24/374,590.64 = 91,918.69/x - Step 3: Cross multiply
249,702.24x = 374,590.64 × 91,918.69 - Step 4: Simplify right side
249,702.24x = 34,431,880,915.06 - Step 5: Solve for x
x = 34,431,880,915.06/249,702.24 - Step 6: Final answer
x = 137,891.76
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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.