Finding the Fourth Proportional to 249,425.19, 344,190.87 and 136,247.94
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Solution
The fourth proportional to 249,425.19, 344,190.87 and 136,247.94 is: 188,013.48
Step by Step Solution
- Step 1: Write the proportion equation
249,425.19 : 344,190.87 = 136,247.94 : x - Step 2: Convert to fraction form
249,425.19/344,190.87 = 136,247.94/x - Step 3: Cross multiply
249,425.19x = 344,190.87 × 136,247.94 - Step 4: Simplify right side
249,425.19x = 46,895,297,004.31 - Step 5: Solve for x
x = 46,895,297,004.31/249,425.19 - Step 6: Final answer
x = 188,013.48
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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.