Finding the Fourth Proportional to 171,788.76, 236,986.68 and 114,454.68
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Solution
The fourth proportional to 171,788.76, 236,986.68 and 114,454.68 is: 157,892.95
Step by Step Solution
- Step 1: Write the proportion equation
171,788.76 : 236,986.68 = 114,454.68 : x - Step 2: Convert to fraction form
171,788.76/236,986.68 = 114,454.68/x - Step 3: Cross multiply
171,788.76x = 236,986.68 × 114,454.68 - Step 4: Simplify right side
171,788.76x = 27,124,234,623.66 - Step 5: Solve for x
x = 27,124,234,623.66/171,788.76 - Step 6: Final answer
x = 157,892.95
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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.