Finding the Fourth Proportional to 268,056.26, 369,947.18 and 153,345.48
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Solution
The fourth proportional to 268,056.26, 369,947.18 and 153,345.48 is: 211,633.66
Step by Step Solution
- Step 1: Write the proportion equation
268,056.26 : 369,947.18 = 153,345.48 : x - Step 2: Convert to fraction form
268,056.26/369,947.18 = 153,345.48/x - Step 3: Cross multiply
268,056.26x = 369,947.18 × 153,345.48 - Step 4: Simplify right side
268,056.26x = 56,729,727,891.75 - Step 5: Solve for x
x = 56,729,727,891.75/268,056.26 - Step 6: Final answer
x = 211,633.66
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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.