Finding the Fourth Proportional to 199,497.88, 298,996.98 and 99,686.08
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Solution
The fourth proportional to 199,497.88, 298,996.98 and 99,686.08 is: 149,404.28
Step by Step Solution
- Step 1: Write the proportion equation
199,497.88 : 298,996.98 = 99,686.08 : x - Step 2: Convert to fraction form
199,497.88/298,996.98 = 99,686.08/x - Step 3: Cross multiply
199,497.88x = 298,996.98 × 99,686.08 - Step 4: Simplify right side
199,497.88x = 29,805,836,868.04 - Step 5: Solve for x
x = 29,805,836,868.04/199,497.88 - Step 6: Final answer
x = 149,404.28
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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.