Finding the Fourth Proportional to 249,610.60, 344,467.62 and 136,438.12
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Solution
The fourth proportional to 249,610.60, 344,467.62 and 136,438.12 is: 188,287.33
Step by Step Solution
- Step 1: Write the proportion equation
249,610.60 : 344,467.62 = 136,438.12 : x - Step 2: Convert to fraction form
249,610.60/344,467.62 = 136,438.12/x - Step 3: Cross multiply
249,610.60x = 344,467.62 × 136,438.12 - Step 4: Simplify right side
249,610.60x = 46,998,514,473.67 - Step 5: Solve for x
x = 46,998,514,473.67/249,610.60 - Step 6: Final answer
x = 188,287.33
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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.