Finding the Fourth Proportional to 79,266.62, 118,918.14 and 26,674.70
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Solution
The fourth proportional to 79,266.62, 118,918.14 and 26,674.70 is: 40,018.18
Step by Step Solution
- Step 1: Write the proportion equation
79,266.62 : 118,918.14 = 26,674.70 : x - Step 2: Convert to fraction form
79,266.62/118,918.14 = 26,674.70/x - Step 3: Cross multiply
79,266.62x = 118,918.14 × 26,674.70 - Step 4: Simplify right side
79,266.62x = 3,172,105,709.06 - Step 5: Solve for x
x = 3,172,105,709.06/79,266.62 - Step 6: Final answer
x = 40,018.18
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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.