Finding the Fourth Proportional to 304,679.20, 420,457.03 and 168,713.14
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Solution
The fourth proportional to 304,679.20, 420,457.03 and 168,713.14 is: 232,823.99
Step by Step Solution
- Step 1: Write the proportion equation
304,679.20 : 420,457.03 = 168,713.14 : x - Step 2: Convert to fraction form
304,679.20/420,457.03 = 168,713.14/x - Step 3: Cross multiply
304,679.20x = 420,457.03 × 168,713.14 - Step 4: Simplify right side
304,679.20x = 70,936,626,502.84 - Step 5: Solve for x
x = 70,936,626,502.84/304,679.20 - Step 6: Final answer
x = 232,823.99
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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.