Finding the Fourth Proportional to 368,429.70, 552,644.55 and 275,117.70
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Solution
The fourth proportional to 368,429.70, 552,644.55 and 275,117.70 is: 412,676.55
Step by Step Solution
- Step 1: Write the proportion equation
368,429.70 : 552,644.55 = 275,117.70 : x - Step 2: Convert to fraction form
368,429.70/552,644.55 = 275,117.70/x - Step 3: Cross multiply
368,429.70x = 552,644.55 × 275,117.70 - Step 4: Simplify right side
368,429.70x = 152,042,297,513.54 - Step 5: Solve for x
x = 152,042,297,513.54/368,429.70 - Step 6: Final answer
x = 412,676.55
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1.5x scale
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.