Finding the Fourth Proportional to 312,265.36, 468,472.56 and 101,903.68
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Solution
The fourth proportional to 312,265.36, 468,472.56 and 101,903.68 is: 152,879.84
Step by Step Solution
- Step 1: Write the proportion equation
312,265.36 : 468,472.56 = 101,903.68 : x - Step 2: Convert to fraction form
312,265.36/468,472.56 = 101,903.68/x - Step 3: Cross multiply
312,265.36x = 468,472.56 × 101,903.68 - Step 4: Simplify right side
312,265.36x = 47,739,077,843.02 - Step 5: Solve for x
x = 47,739,077,843.02/312,265.36 - Step 6: Final answer
x = 152,879.84
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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.