Finding the Fourth Proportional to 286,706.23, 395,664.76 and 157,654.52
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Solution
The fourth proportional to 286,706.23, 395,664.76 and 157,654.52 is: 217,568.82
Step by Step Solution
- Step 1: Write the proportion equation
286,706.23 : 395,664.76 = 157,654.52 : x - Step 2: Convert to fraction form
286,706.23/395,664.76 = 157,654.52/x - Step 3: Cross multiply
286,706.23x = 395,664.76 × 157,654.52 - Step 4: Simplify right side
286,706.23x = 62,378,336,634.40 - Step 5: Solve for x
x = 62,378,336,634.40/286,706.23 - Step 6: Final answer
x = 217,568.82
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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.