Finding the Fourth Proportional to 306,994.93, 460,541.61 and 129,528.09
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Solution
The fourth proportional to 306,994.93, 460,541.61 and 129,528.09 is: 194,312.90
Step by Step Solution
- Step 1: Write the proportion equation
306,994.93 : 460,541.61 = 129,528.09 : x - Step 2: Convert to fraction form
306,994.93/460,541.61 = 129,528.09/x - Step 3: Cross multiply
306,994.93x = 460,541.61 × 129,528.09 - Step 4: Simplify right side
306,994.93x = 59,653,075,108.82 - Step 5: Solve for x
x = 59,653,075,108.82/306,994.93 - Step 6: Final answer
x = 194,312.90
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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.