Finding the Fourth Proportional to 247,317.23, 370,716.12 and 157,428.80
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Solution
The fourth proportional to 247,317.23, 370,716.12 and 157,428.80 is: 235,977.87
Step by Step Solution
- Step 1: Write the proportion equation
247,317.23 : 370,716.12 = 157,428.80 : x - Step 2: Convert to fraction form
247,317.23/370,716.12 = 157,428.80/x - Step 3: Cross multiply
247,317.23x = 370,716.12 × 157,428.80 - Step 4: Simplify right side
247,317.23x = 58,361,392,058.68 - Step 5: Solve for x
x = 58,361,392,058.68/247,317.23 - Step 6: Final answer
x = 235,977.87
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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.