Finding the Fourth Proportional to 193,403.97, 288,782.35 and 173,283.57
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Solution
The fourth proportional to 193,403.97, 288,782.35 and 173,283.57 is: 258,739.45
Step by Step Solution
- Step 1: Write the proportion equation
193,403.97 : 288,782.35 = 173,283.57 : x - Step 2: Convert to fraction form
193,403.97/288,782.35 = 173,283.57/x - Step 3: Cross multiply
193,403.97x = 288,782.35 × 173,283.57 - Step 4: Simplify right side
193,403.97x = 50,041,236,127.78 - Step 5: Solve for x
x = 50,041,236,127.78/193,403.97 - Step 6: Final answer
x = 258,739.45
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.