Finding the Fourth Proportional to 338,647.70, 473,484.70 and 338,647.70
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Solution
The fourth proportional to 338,647.70, 473,484.70 and 338,647.70 is: 473,484.70
Step by Step Solution
- Step 1: Write the proportion equation
338,647.70 : 473,484.70 = 338,647.70 : x - Step 2: Convert to fraction form
338,647.70/473,484.70 = 338,647.70/x - Step 3: Cross multiply
338,647.70x = 473,484.70 × 338,647.70 - Step 4: Simplify right side
338,647.70x = 160,344,504,640.19 - Step 5: Solve for x
x = 160,344,504,640.19/338,647.70 - Step 6: Final answer
x = 473,484.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.