Finding the Fourth Proportional to 157,981.25, 236,948.49 and 58,118.07
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Solution
The fourth proportional to 157,981.25, 236,948.49 and 58,118.07 is: 87,168.50
Step by Step Solution
- Step 1: Write the proportion equation
157,981.25 : 236,948.49 = 58,118.07 : x - Step 2: Convert to fraction form
157,981.25/236,948.49 = 58,118.07/x - Step 3: Cross multiply
157,981.25x = 236,948.49 × 58,118.07 - Step 4: Simplify right side
157,981.25x = 13,770,988,928.21 - Step 5: Solve for x
x = 13,770,988,928.21/157,981.25 - Step 6: Final answer
x = 87,168.50
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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.