Finding the Fourth Proportional to 282,120.18, 423,253.17 and 104,677.80
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Solution
The fourth proportional to 282,120.18, 423,253.17 and 104,677.80 is: 157,043.75
Step by Step Solution
- Step 1: Write the proportion equation
282,120.18 : 423,253.17 = 104,677.80 : x - Step 2: Convert to fraction form
282,120.18/423,253.17 = 104,677.80/x - Step 3: Cross multiply
282,120.18x = 423,253.17 × 104,677.80 - Step 4: Simplify right side
282,120.18x = 44,305,210,678.63 - Step 5: Solve for x
x = 44,305,210,678.63/282,120.18 - Step 6: Final answer
x = 157,043.75
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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.