Finding the Fourth Proportional to 268,322.70, 402,497.84 and 68,644.81
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Solution
The fourth proportional to 268,322.70, 402,497.84 and 68,644.81 is: 102,970.74
Step by Step Solution
- Step 1: Write the proportion equation
268,322.70 : 402,497.84 = 68,644.81 : x - Step 2: Convert to fraction form
268,322.70/402,497.84 = 68,644.81/x - Step 3: Cross multiply
268,322.70x = 402,497.84 × 68,644.81 - Step 4: Simplify right side
268,322.70x = 27,629,386,402.74 - Step 5: Solve for x
x = 27,629,386,402.74/268,322.70 - Step 6: Final answer
x = 102,970.74
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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.