Finding the Fourth Proportional to 316,938.24, 475,424.67 and 80,282.97
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Solution
The fourth proportional to 316,938.24, 475,424.67 and 80,282.97 is: 120,428.84
Step by Step Solution
- Step 1: Write the proportion equation
316,938.24 : 475,424.67 = 80,282.97 : x - Step 2: Convert to fraction form
316,938.24/475,424.67 = 80,282.97/x - Step 3: Cross multiply
316,938.24x = 475,424.67 × 80,282.97 - Step 4: Simplify right side
316,938.24x = 38,168,504,518.87 - Step 5: Solve for x
x = 38,168,504,518.87/316,938.24 - Step 6: Final answer
x = 120,428.84
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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.