Finding the Fourth Proportional to 275,219.99, 412,935.06 and 106,858.53
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Solution
The fourth proportional to 275,219.99, 412,935.06 and 106,858.53 is: 160,328.59
Step by Step Solution
- Step 1: Write the proportion equation
275,219.99 : 412,935.06 = 106,858.53 : x - Step 2: Convert to fraction form
275,219.99/412,935.06 = 106,858.53/x - Step 3: Cross multiply
275,219.99x = 412,935.06 × 106,858.53 - Step 4: Simplify right side
275,219.99x = 44,125,633,897.78 - Step 5: Solve for x
x = 44,125,633,897.78/275,219.99 - Step 6: Final answer
x = 160,328.59
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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.