Finding the Fourth Proportional to 253,656.72, 380,076.84 and 148,564.08
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Solution
The fourth proportional to 253,656.72, 380,076.84 and 148,564.08 is: 222,607.02
Step by Step Solution
- Step 1: Write the proportion equation
253,656.72 : 380,076.84 = 148,564.08 : x - Step 2: Convert to fraction form
253,656.72/380,076.84 = 148,564.08/x - Step 3: Cross multiply
253,656.72x = 380,076.84 × 148,564.08 - Step 4: Simplify right side
253,656.72x = 56,465,766,063.91 - Step 5: Solve for x
x = 56,465,766,063.91/253,656.72 - Step 6: Final answer
x = 222,607.02
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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.