Finding the Fourth Proportional to 258,603.94, 387,901.99 and 116,348.75
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Solution
The fourth proportional to 258,603.94, 387,901.99 and 116,348.75 is: 174,521.37
Step by Step Solution
- Step 1: Write the proportion equation
258,603.94 : 387,901.99 = 116,348.75 : x - Step 2: Convert to fraction form
258,603.94/387,901.99 = 116,348.75/x - Step 3: Cross multiply
258,603.94x = 387,901.99 × 116,348.75 - Step 4: Simplify right side
258,603.94x = 45,131,913,174.29 - Step 5: Solve for x
x = 45,131,913,174.29/258,603.94 - Step 6: Final answer
x = 174,521.37
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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.