Finding the Fourth Proportional to 282,974.36, 390,544.27 and 175,579.00
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Solution
The fourth proportional to 282,974.36, 390,544.27 and 175,579.00 is: 242,323.62
Step by Step Solution
- Step 1: Write the proportion equation
282,974.36 : 390,544.27 = 175,579.00 : x - Step 2: Convert to fraction form
282,974.36/390,544.27 = 175,579.00/x - Step 3: Cross multiply
282,974.36x = 390,544.27 × 175,579.00 - Step 4: Simplify right side
282,974.36x = 68,571,370,967.02 - Step 5: Solve for x
x = 68,571,370,967.02/282,974.36 - Step 6: Final answer
x = 242,323.62
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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.