Finding the Fourth Proportional to 165,397.68, 248,129.30 and 47,073.68
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Solution
The fourth proportional to 165,397.68, 248,129.30 and 47,073.68 is: 70,619.85
Step by Step Solution
- Step 1: Write the proportion equation
165,397.68 : 248,129.30 = 47,073.68 : x - Step 2: Convert to fraction form
165,397.68/248,129.30 = 47,073.68/x - Step 3: Cross multiply
165,397.68x = 248,129.30 × 47,073.68 - Step 4: Simplify right side
165,397.68x = 11,680,359,266.82 - Step 5: Solve for x
x = 11,680,359,266.82/165,397.68 - Step 6: Final answer
x = 70,619.85
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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.