Finding the Fourth Proportional to 249,090.93, 343,753.08 and 141,676.44
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Solution
The fourth proportional to 249,090.93, 343,753.08 and 141,676.44 is: 195,517.81
Step by Step Solution
- Step 1: Write the proportion equation
249,090.93 : 343,753.08 = 141,676.44 : x - Step 2: Convert to fraction form
249,090.93/343,753.08 = 141,676.44/x - Step 3: Cross multiply
249,090.93x = 343,753.08 × 141,676.44 - Step 4: Simplify right side
249,090.93x = 48,701,712,613.44 - Step 5: Solve for x
x = 48,701,712,613.44/249,090.93 - Step 6: Final answer
x = 195,517.81
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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.