Finding the Fourth Proportional to 249,560.92, 344,394.20 and 136,383.68
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Solution
The fourth proportional to 249,560.92, 344,394.20 and 136,383.68 is: 188,209.55
Step by Step Solution
- Step 1: Write the proportion equation
249,560.92 : 344,394.20 = 136,383.68 : x - Step 2: Convert to fraction form
249,560.92/344,394.20 = 136,383.68/x - Step 3: Cross multiply
249,560.92x = 344,394.20 × 136,383.68 - Step 4: Simplify right side
249,560.92x = 46,969,748,366.66 - Step 5: Solve for x
x = 46,969,748,366.66/249,560.92 - Step 6: Final answer
x = 188,209.55
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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.