Finding the Fourth Proportional to 304,828.12, 420,657.30 and 168,861.65
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Solution
The fourth proportional to 304,828.12, 420,657.30 and 168,861.65 is: 233,026.03
Step by Step Solution
- Step 1: Write the proportion equation
304,828.12 : 420,657.30 = 168,861.65 : x - Step 2: Convert to fraction form
304,828.12/420,657.30 = 168,861.65/x - Step 3: Cross multiply
304,828.12x = 420,657.30 × 168,861.65 - Step 4: Simplify right side
304,828.12x = 71,032,885,762.55 - Step 5: Solve for x
x = 71,032,885,762.55/304,828.12 - Step 6: Final answer
x = 233,026.03
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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.