Finding the Fourth Proportional to 282,332.48, 389,625.66 and 153,276.26
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Solution
The fourth proportional to 282,332.48, 389,625.66 and 153,276.26 is: 211,524.95
Step by Step Solution
- Step 1: Write the proportion equation
282,332.48 : 389,625.66 = 153,276.26 : x - Step 2: Convert to fraction form
282,332.48/389,625.66 = 153,276.26/x - Step 3: Cross multiply
282,332.48x = 389,625.66 × 153,276.26 - Step 4: Simplify right side
282,332.48x = 59,720,362,016.70 - Step 5: Solve for x
x = 59,720,362,016.70/282,332.48 - Step 6: Final answer
x = 211,524.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.