Finding the Fourth Proportional to 352,203.40, 528,110.70 and 115,424.20
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Solution
The fourth proportional to 352,203.40, 528,110.70 and 115,424.20 is: 173,072.59
Step by Step Solution
- Step 1: Write the proportion equation
352,203.40 : 528,110.70 = 115,424.20 : x - Step 2: Convert to fraction form
352,203.40/528,110.70 = 115,424.20/x - Step 3: Cross multiply
352,203.40x = 528,110.70 × 115,424.20 - Step 4: Simplify right side
352,203.40x = 60,956,755,058.94 - Step 5: Solve for x
x = 60,956,755,058.94/352,203.40 - Step 6: Final answer
x = 173,072.59
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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.