Finding the Fourth Proportional to 249,910.57, 344,736.42 and 153,161.31
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Solution
The fourth proportional to 249,910.57, 344,736.42 and 153,161.31 is: 211,276.70
Step by Step Solution
- Step 1: Write the proportion equation
249,910.57 : 344,736.42 = 153,161.31 : x - Step 2: Convert to fraction form
249,910.57/344,736.42 = 153,161.31/x - Step 3: Cross multiply
249,910.57x = 344,736.42 × 153,161.31 - Step 4: Simplify right side
249,910.57x = 52,800,281,691.91 - Step 5: Solve for x
x = 52,800,281,691.91/249,910.57 - Step 6: Final answer
x = 211,276.70
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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.