Finding the Fourth Proportional to 268,619.19, 402,790.12 and 79,054.96
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Solution
The fourth proportional to 268,619.19, 402,790.12 and 79,054.96 is: 118,541.63
Step by Step Solution
- Step 1: Write the proportion equation
268,619.19 : 402,790.12 = 79,054.96 : x - Step 2: Convert to fraction form
268,619.19/402,790.12 = 79,054.96/x - Step 3: Cross multiply
268,619.19x = 402,790.12 × 79,054.96 - Step 4: Simplify right side
268,619.19x = 31,842,557,508.46 - Step 5: Solve for x
x = 31,842,557,508.46/268,619.19 - Step 6: Final answer
x = 118,541.63
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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.