Finding the Fourth Proportional to 254,055.51, 381,132.68 and 76,553.73
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Solution
The fourth proportional to 254,055.51, 381,132.68 and 76,553.73 is: 114,845.48
Step by Step Solution
- Step 1: Write the proportion equation
254,055.51 : 381,132.68 = 76,553.73 : x - Step 2: Convert to fraction form
254,055.51/381,132.68 = 76,553.73/x - Step 3: Cross multiply
254,055.51x = 381,132.68 × 76,553.73 - Step 4: Simplify right side
254,055.51x = 29,177,127,896.13 - Step 5: Solve for x
x = 29,177,127,896.13/254,055.51 - Step 6: Final answer
x = 114,845.48
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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.