Finding the Fourth Proportional to 236,462.62, 326,319.24 and 129,035.02
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Solution
The fourth proportional to 236,462.62, 326,319.24 and 129,035.02 is: 178,068.78
Step by Step Solution
- Step 1: Write the proportion equation
236,462.62 : 326,319.24 = 129,035.02 : x - Step 2: Convert to fraction form
236,462.62/326,319.24 = 129,035.02/x - Step 3: Cross multiply
236,462.62x = 326,319.24 × 129,035.02 - Step 4: Simplify right side
236,462.62x = 42,106,609,659.78 - Step 5: Solve for x
x = 42,106,609,659.78/236,462.62 - Step 6: Final answer
x = 178,068.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.