Finding the Fourth Proportional to 299,173.80, 448,376.76 and 130,648.44
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Solution
The fourth proportional to 299,173.80, 448,376.76 and 130,648.44 is: 195,804.99
Step by Step Solution
- Step 1: Write the proportion equation
299,173.80 : 448,376.76 = 130,648.44 : x - Step 2: Convert to fraction form
299,173.80/448,376.76 = 130,648.44/x - Step 3: Cross multiply
299,173.80x = 448,376.76 × 130,648.44 - Step 4: Simplify right side
299,173.80x = 58,579,724,226.25 - Step 5: Solve for x
x = 58,579,724,226.25/299,173.80 - Step 6: Final answer
x = 195,804.99
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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.