Finding the Fourth Proportional to 286,160.49, 395,007.51 and 245,711.79
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Solution
The fourth proportional to 286,160.49, 395,007.51 and 245,711.79 is: 339,173.32
Step by Step Solution
- Step 1: Write the proportion equation
286,160.49 : 395,007.51 = 245,711.79 : x - Step 2: Convert to fraction form
286,160.49/395,007.51 = 245,711.79/x - Step 3: Cross multiply
286,160.49x = 395,007.51 × 245,711.79 - Step 4: Simplify right side
286,160.49x = 97,058,000,370.51 - Step 5: Solve for x
x = 97,058,000,370.51/286,160.49 - Step 6: Final answer
x = 339,173.32
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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.