Finding the Fourth Proportional to 249,230.14, 343,943.49 and 136,053.70
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Solution
The fourth proportional to 249,230.14, 343,943.49 and 136,053.70 is: 187,757.33
Step by Step Solution
- Step 1: Write the proportion equation
249,230.14 : 343,943.49 = 136,053.70 : x - Step 2: Convert to fraction form
249,230.14/343,943.49 = 136,053.70/x - Step 3: Cross multiply
249,230.14x = 343,943.49 × 136,053.70 - Step 4: Simplify right side
249,230.14x = 46,794,784,405.41 - Step 5: Solve for x
x = 46,794,784,405.41/249,230.14 - Step 6: Final answer
x = 187,757.33
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1.5x scale
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.