Finding the Fourth Proportional to 192,122.94, 288,178.26 and 86,941.91
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Solution
The fourth proportional to 192,122.94, 288,178.26 and 86,941.91 is: 130,410.08
Step by Step Solution
- Step 1: Write the proportion equation
192,122.94 : 288,178.26 = 86,941.91 : x - Step 2: Convert to fraction form
192,122.94/288,178.26 = 86,941.91/x - Step 3: Cross multiply
192,122.94x = 288,178.26 × 86,941.91 - Step 4: Simplify right side
192,122.94x = 25,054,767,118.29 - Step 5: Solve for x
x = 25,054,767,118.29/192,122.94 - Step 6: Final answer
x = 130,410.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.