Finding the Fourth Proportional to 211,457.13, 317,244.24 and 97,639.68
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Solution
The fourth proportional to 211,457.13, 317,244.24 and 97,639.68 is: 146,486.55
Step by Step Solution
- Step 1: Write the proportion equation
211,457.13 : 317,244.24 = 97,639.68 : x - Step 2: Convert to fraction form
211,457.13/317,244.24 = 97,639.68/x - Step 3: Cross multiply
211,457.13x = 317,244.24 × 97,639.68 - Step 4: Simplify right side
211,457.13x = 30,975,626,075.44 - Step 5: Solve for x
x = 30,975,626,075.44/211,457.13 - Step 6: Final answer
x = 146,486.55
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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.