Finding the Fourth Proportional to 275,283.36, 412,929.09 and 106,813.08
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Solution
The fourth proportional to 275,283.36, 412,929.09 and 106,813.08 is: 160,221.19
Step by Step Solution
- Step 1: Write the proportion equation
275,283.36 : 412,929.09 = 106,813.08 : x - Step 2: Convert to fraction form
275,283.36/412,929.09 = 106,813.08/x - Step 3: Cross multiply
275,283.36x = 412,929.09 × 106,813.08 - Step 4: Simplify right side
275,283.36x = 44,106,227,924.50 - Step 5: Solve for x
x = 44,106,227,924.50/275,283.36 - Step 6: Final answer
x = 160,221.19
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1.5x scale
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.