Finding the Fourth Proportional to 157,454.23, 236,263.35 and 68,716.70
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Solution
The fourth proportional to 157,454.23, 236,263.35 and 68,716.70 is: 103,110.84
Step by Step Solution
- Step 1: Write the proportion equation
157,454.23 : 236,263.35 = 68,716.70 : x - Step 2: Convert to fraction form
157,454.23/236,263.35 = 68,716.70/x - Step 3: Cross multiply
157,454.23x = 236,263.35 × 68,716.70 - Step 4: Simplify right side
157,454.23x = 16,235,237,742.95 - Step 5: Solve for x
x = 16,235,237,742.95/157,454.23 - Step 6: Final answer
x = 103,110.84
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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.