Finding the Fourth Proportional to 147,368.08, 220,878.96 and 68,315.92
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Solution
The fourth proportional to 147,368.08, 220,878.96 and 68,315.92 is: 102,393.61
Step by Step Solution
- Step 1: Write the proportion equation
147,368.08 : 220,878.96 = 68,315.92 : x - Step 2: Convert to fraction form
147,368.08/220,878.96 = 68,315.92/x - Step 3: Cross multiply
147,368.08x = 220,878.96 × 68,315.92 - Step 4: Simplify right side
147,368.08x = 15,089,549,361.04 - Step 5: Solve for x
x = 15,089,549,361.04/147,368.08 - Step 6: Final answer
x = 102,393.61
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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.