Finding the Fourth Proportional to 249,371.36, 344,123.36 and 136,191.68
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Solution
The fourth proportional to 249,371.36, 344,123.36 and 136,191.68 is: 187,939.54
Step by Step Solution
- Step 1: Write the proportion equation
249,371.36 : 344,123.36 = 136,191.68 : x - Step 2: Convert to fraction form
249,371.36/344,123.36 = 136,191.68/x - Step 3: Cross multiply
249,371.36x = 344,123.36 × 136,191.68 - Step 4: Simplify right side
249,371.36x = 46,866,738,525.64 - Step 5: Solve for x
x = 46,866,738,525.64/249,371.36 - Step 6: Final answer
x = 187,939.54
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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.