Finding the Fourth Proportional to 143,652.44, 215,506.40 and 48,878.79
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Solution
The fourth proportional to 143,652.44, 215,506.40 and 48,878.79 is: 73,327.62
Step by Step Solution
- Step 1: Write the proportion equation
143,652.44 : 215,506.40 = 48,878.79 : x - Step 2: Convert to fraction form
143,652.44/215,506.40 = 48,878.79/x - Step 3: Cross multiply
143,652.44x = 215,506.40 × 48,878.79 - Step 4: Simplify right side
143,652.44x = 10,533,691,824.86 - Step 5: Solve for x
x = 10,533,691,824.86/143,652.44 - Step 6: Final answer
x = 73,327.62
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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.