Finding the Fourth Proportional to 387,963.94, 535,636.17 and 265,660.96
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Solution
The fourth proportional to 387,963.94, 535,636.17 and 265,660.96 is: 366,780.53
Step by Step Solution
- Step 1: Write the proportion equation
387,963.94 : 535,636.17 = 265,660.96 : x - Step 2: Convert to fraction form
387,963.94/535,636.17 = 265,660.96/x - Step 3: Cross multiply
387,963.94x = 535,636.17 × 265,660.96 - Step 4: Simplify right side
387,963.94x = 142,297,619,132.92 - Step 5: Solve for x
x = 142,297,619,132.92/387,963.94 - Step 6: Final answer
x = 366,780.53
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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.