Finding the Fourth Proportional to 268,310.87, 370,318.87 and 153,589.51
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Solution
The fourth proportional to 268,310.87, 370,318.87 and 153,589.51 is: 211,982.07
Step by Step Solution
- Step 1: Write the proportion equation
268,310.87 : 370,318.87 = 153,589.51 : x - Step 2: Convert to fraction form
268,310.87/370,318.87 = 153,589.51/x - Step 3: Cross multiply
268,310.87x = 370,318.87 × 153,589.51 - Step 4: Simplify right side
268,310.87x = 56,877,093,053.24 - Step 5: Solve for x
x = 56,877,093,053.24/268,310.87 - Step 6: Final answer
x = 211,982.07
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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.