Finding the Fourth Proportional to 164,813.76, 248,455.94 and 153,828.09
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Solution
The fourth proportional to 164,813.76, 248,455.94 and 153,828.09 is: 231,895.09
Step by Step Solution
- Step 1: Write the proportion equation
164,813.76 : 248,455.94 = 153,828.09 : x - Step 2: Convert to fraction form
164,813.76/248,455.94 = 153,828.09/x - Step 3: Cross multiply
164,813.76x = 248,455.94 × 153,828.09 - Step 4: Simplify right side
164,813.76x = 38,219,502,857.77 - Step 5: Solve for x
x = 38,219,502,857.77/164,813.76 - Step 6: Final answer
x = 231,895.09
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.