Finding the Fourth Proportional to 233,972.36, 322,881.84 and 126,542.40
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Solution
The fourth proportional to 233,972.36, 322,881.84 and 126,542.40 is: 174,628.50
Step by Step Solution
- Step 1: Write the proportion equation
233,972.36 : 322,881.84 = 126,542.40 : x - Step 2: Convert to fraction form
233,972.36/322,881.84 = 126,542.40/x - Step 3: Cross multiply
233,972.36x = 322,881.84 × 126,542.40 - Step 4: Simplify right side
233,972.36x = 40,858,242,950.02 - Step 5: Solve for x
x = 40,858,242,950.02/233,972.36 - Step 6: Final answer
x = 174,628.50
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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.