Finding the Fourth Proportional to 315,033.41, 472,192.49 and 277,009.09
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Solution
The fourth proportional to 315,033.41, 472,192.49 and 277,009.09 is: 415,199.17
Step by Step Solution
- Step 1: Write the proportion equation
315,033.41 : 472,192.49 = 277,009.09 : x - Step 2: Convert to fraction form
315,033.41/472,192.49 = 277,009.09/x - Step 3: Cross multiply
315,033.41x = 472,192.49 × 277,009.09 - Step 4: Simplify right side
315,033.41x = 130,801,610,624.07 - Step 5: Solve for x
x = 130,801,610,624.07/315,033.41 - Step 6: Final answer
x = 415,199.17
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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.