Finding the Fourth Proportional to 249,351.20, 344,091.36 and 136,151.84
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Solution
The fourth proportional to 249,351.20, 344,091.36 and 136,151.84 is: 187,882.28
Step by Step Solution
- Step 1: Write the proportion equation
249,351.20 : 344,091.36 = 136,151.84 : x - Step 2: Convert to fraction form
249,351.20/344,091.36 = 136,151.84/x - Step 3: Cross multiply
249,351.20x = 344,091.36 × 136,151.84 - Step 4: Simplify right side
249,351.20x = 46,848,671,792.10 - Step 5: Solve for x
x = 46,848,671,792.10/249,351.20 - Step 6: Final answer
x = 187,882.28
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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.