Finding the Fourth Proportional to 252,477.30, 378,205.65 and 157,415.70
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Solution
The fourth proportional to 252,477.30, 378,205.65 and 157,415.70 is: 235,805.39
Step by Step Solution
- Step 1: Write the proportion equation
252,477.30 : 378,205.65 = 157,415.70 : x - Step 2: Convert to fraction form
252,477.30/378,205.65 = 157,415.70/x - Step 3: Cross multiply
252,477.30x = 378,205.65 × 157,415.70 - Step 4: Simplify right side
252,477.30x = 59,535,507,138.71 - Step 5: Solve for x
x = 59,535,507,138.71/252,477.30 - Step 6: Final answer
x = 235,805.39
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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.