Finding the Fourth Proportional to 312,239.36, 468,407.82 and 101,828.36
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Solution
The fourth proportional to 312,239.36, 468,407.82 and 101,828.36 is: 152,758.45
Step by Step Solution
- Step 1: Write the proportion equation
312,239.36 : 468,407.82 = 101,828.36 : x - Step 2: Convert to fraction form
312,239.36/468,407.82 = 101,828.36/x - Step 3: Cross multiply
312,239.36x = 468,407.82 × 101,828.36 - Step 4: Simplify right side
312,239.36x = 47,697,200,121.78 - Step 5: Solve for x
x = 47,697,200,121.78/312,239.36 - Step 6: Final answer
x = 152,758.45
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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.