Finding the Fourth Proportional to 171,306.36, 236,403.09 and 94,830.75
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Solution
The fourth proportional to 171,306.36, 236,403.09 and 94,830.75 is: 130,866.61
Step by Step Solution
- Step 1: Write the proportion equation
171,306.36 : 236,403.09 = 94,830.75 : x - Step 2: Convert to fraction form
171,306.36/236,403.09 = 94,830.75/x - Step 3: Cross multiply
171,306.36x = 236,403.09 × 94,830.75 - Step 4: Simplify right side
171,306.36x = 22,418,282,327.02 - Step 5: Solve for x
x = 22,418,282,327.02/171,306.36 - Step 6: Final answer
x = 130,866.61
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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.