Finding the Fourth Proportional to 245,875.68, 339,304.68 and 138,445.44
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Solution
The fourth proportional to 245,875.68, 339,304.68 and 138,445.44 is: 191,052.59
Step by Step Solution
- Step 1: Write the proportion equation
245,875.68 : 339,304.68 = 138,445.44 : x - Step 2: Convert to fraction form
245,875.68/339,304.68 = 138,445.44/x - Step 3: Cross multiply
245,875.68x = 339,304.68 × 138,445.44 - Step 4: Simplify right side
245,875.68x = 46,975,185,716.66 - Step 5: Solve for x
x = 46,975,185,716.66/245,875.68 - Step 6: Final answer
x = 191,052.59
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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.