Finding the Fourth Proportional to 282,055.88, 422,686.03 and 155,752.99
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Solution
The fourth proportional to 282,055.88, 422,686.03 and 155,752.99 is: 233,409.82
Step by Step Solution
- Step 1: Write the proportion equation
282,055.88 : 422,686.03 = 155,752.99 : x - Step 2: Convert to fraction form
282,055.88/422,686.03 = 155,752.99/x - Step 3: Cross multiply
282,055.88x = 422,686.03 × 155,752.99 - Step 4: Simplify right side
282,055.88x = 65,834,613,003.73 - Step 5: Solve for x
x = 65,834,613,003.73/282,055.88 - Step 6: Final answer
x = 233,409.82
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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.