Finding the Fourth Proportional to 168,312.80, 252,449.76 and 49,971.84
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Solution
The fourth proportional to 168,312.80, 252,449.76 and 49,971.84 is: 74,951.99
Step by Step Solution
- Step 1: Write the proportion equation
168,312.80 : 252,449.76 = 49,971.84 : x - Step 2: Convert to fraction form
168,312.80/252,449.76 = 49,971.84/x - Step 3: Cross multiply
168,312.80x = 252,449.76 × 49,971.84 - Step 4: Simplify right side
168,312.80x = 12,615,379,014.76 - Step 5: Solve for x
x = 12,615,379,014.76/168,312.80 - Step 6: Final answer
x = 74,951.99
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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.