Finding the Fourth Proportional to 249,056.10, 343,701.36 and 135,878.85
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Solution
The fourth proportional to 249,056.10, 343,701.36 and 135,878.85 is: 187,514.96
Step by Step Solution
- Step 1: Write the proportion equation
249,056.10 : 343,701.36 = 135,878.85 : x - Step 2: Convert to fraction form
249,056.10/343,701.36 = 135,878.85/x - Step 3: Cross multiply
249,056.10x = 343,701.36 × 135,878.85 - Step 4: Simplify right side
249,056.10x = 46,701,745,540.24 - Step 5: Solve for x
x = 46,701,745,540.24/249,056.10 - Step 6: Final answer
x = 187,514.96
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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.