Finding the Fourth Proportional to 370,879.20, 556,318.80 and 202,334.40
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Solution
The fourth proportional to 370,879.20, 556,318.80 and 202,334.40 is: 303,501.60
Step by Step Solution
- Step 1: Write the proportion equation
370,879.20 : 556,318.80 = 202,334.40 : x - Step 2: Convert to fraction form
370,879.20/556,318.80 = 202,334.40/x - Step 3: Cross multiply
370,879.20x = 556,318.80 × 202,334.40 - Step 4: Simplify right side
370,879.20x = 112,562,430,606.72 - Step 5: Solve for x
x = 112,562,430,606.72/370,879.20 - Step 6: Final answer
x = 303,501.60
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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.