Finding the Fourth Proportional to 304,372.99, 420,035.22 and 168,412.67
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Solution
The fourth proportional to 304,372.99, 420,035.22 and 168,412.67 is: 232,409.76
Step by Step Solution
- Step 1: Write the proportion equation
304,372.99 : 420,035.22 = 168,412.67 : x - Step 2: Convert to fraction form
304,372.99/420,035.22 = 168,412.67/x - Step 3: Cross multiply
304,372.99x = 420,035.22 × 168,412.67 - Step 4: Simplify right side
304,372.99x = 70,739,252,369.19 - Step 5: Solve for x
x = 70,739,252,369.19/304,372.99 - Step 6: Final answer
x = 232,409.76
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.