Finding the Fourth Proportional to 192,507.84, 288,728.64 and 52,277.76
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Solution
The fourth proportional to 192,507.84, 288,728.64 and 52,277.76 is: 78,407.65
Step by Step Solution
- Step 1: Write the proportion equation
192,507.84 : 288,728.64 = 52,277.76 : x - Step 2: Convert to fraction form
192,507.84/288,728.64 = 52,277.76/x - Step 3: Cross multiply
192,507.84x = 288,728.64 × 52,277.76 - Step 4: Simplify right side
192,507.84x = 15,094,086,547.05 - Step 5: Solve for x
x = 15,094,086,547.05/192,507.84 - Step 6: Final answer
x = 78,407.65
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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.