Finding the Fourth Proportional to 268,293.81, 370,164.71 and 160,824.63
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Solution
The fourth proportional to 268,293.81, 370,164.71 and 160,824.63 is: 221,889.58
Step by Step Solution
- Step 1: Write the proportion equation
268,293.81 : 370,164.71 = 160,824.63 : x - Step 2: Convert to fraction form
268,293.81/370,164.71 = 160,824.63/x - Step 3: Cross multiply
268,293.81x = 370,164.71 × 160,824.63 - Step 4: Simplify right side
268,293.81x = 59,531,600,673.98 - Step 5: Solve for x
x = 59,531,600,673.98/268,293.81 - Step 6: Final answer
x = 221,889.58
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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.