Finding the Fourth Proportional to 154,798.25, 213,644.93 and 94,403.92
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Solution
The fourth proportional to 154,798.25, 213,644.93 and 94,403.92 is: 130,291.65
Step by Step Solution
- Step 1: Write the proportion equation
154,798.25 : 213,644.93 = 94,403.92 : x - Step 2: Convert to fraction form
154,798.25/213,644.93 = 94,403.92/x - Step 3: Cross multiply
154,798.25x = 213,644.93 × 94,403.92 - Step 4: Simplify right side
154,798.25x = 20,168,918,880.13 - Step 5: Solve for x
x = 20,168,918,880.13/154,798.25 - Step 6: Final answer
x = 130,291.65
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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.