Finding the Fourth Proportional to 186,387.57, 257,212.93 and 101,504.63
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Solution
The fourth proportional to 186,387.57, 257,212.93 and 101,504.63 is: 140,075.35
Step by Step Solution
- Step 1: Write the proportion equation
186,387.57 : 257,212.93 = 101,504.63 : x - Step 2: Convert to fraction form
186,387.57/257,212.93 = 101,504.63/x - Step 3: Cross multiply
186,387.57x = 257,212.93 × 101,504.63 - Step 4: Simplify right side
186,387.57x = 26,108,303,290.87 - Step 5: Solve for x
x = 26,108,303,290.87/186,387.57 - Step 6: Final answer
x = 140,075.35
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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.