Finding the Fourth Proportional to 234,397.31, 323,449.10 and 132,431.63
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Solution
The fourth proportional to 234,397.31, 323,449.10 and 132,431.63 is: 182,744.80
Step by Step Solution
- Step 1: Write the proportion equation
234,397.31 : 323,449.10 = 132,431.63 : x - Step 2: Convert to fraction form
234,397.31/323,449.10 = 132,431.63/x - Step 3: Cross multiply
234,397.31x = 323,449.10 × 132,431.63 - Step 4: Simplify right side
234,397.31x = 42,834,889,752.25 - Step 5: Solve for x
x = 42,834,889,752.25/234,397.31 - Step 6: Final answer
x = 182,744.80
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1.5x scale
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.