Finding the Fourth Proportional to 234,781.78, 323,998.84 and 132,805.06
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Solution
The fourth proportional to 234,781.78, 323,998.84 and 132,805.06 is: 183,270.97
Step by Step Solution
- Step 1: Write the proportion equation
234,781.78 : 323,998.84 = 132,805.06 : x - Step 2: Convert to fraction form
234,781.78/323,998.84 = 132,805.06/x - Step 3: Cross multiply
234,781.78x = 323,998.84 × 132,805.06 - Step 4: Simplify right side
234,781.78x = 43,028,685,386.13 - Step 5: Solve for x
x = 43,028,685,386.13/234,781.78 - Step 6: Final answer
x = 183,270.97
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.