Finding the Fourth Proportional to 236,411.80, 354,617.70 and 118,313.80
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Solution
The fourth proportional to 236,411.80, 354,617.70 and 118,313.80 is: 177,470.70
Step by Step Solution
- Step 1: Write the proportion equation
236,411.80 : 354,617.70 = 118,313.80 : x - Step 2: Convert to fraction form
236,411.80/354,617.70 = 118,313.80/x - Step 3: Cross multiply
236,411.80x = 354,617.70 × 118,313.80 - Step 4: Simplify right side
236,411.80x = 41,956,167,634.26 - Step 5: Solve for x
x = 41,956,167,634.26/236,411.80 - Step 6: Final answer
x = 177,470.70
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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.