Finding the Fourth Proportional to 249,556.41, 344,387.99 and 136,379.16
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Solution
The fourth proportional to 249,556.41, 344,387.99 and 136,379.16 is: 188,203.32
Step by Step Solution
- Step 1: Write the proportion equation
249,556.41 : 344,387.99 = 136,379.16 : x - Step 2: Convert to fraction form
249,556.41/344,387.99 = 136,379.16/x - Step 3: Cross multiply
249,556.41x = 344,387.99 × 136,379.16 - Step 4: Simplify right side
249,556.41x = 46,967,344,790.29 - Step 5: Solve for x
x = 46,967,344,790.29/249,556.41 - Step 6: Final answer
x = 188,203.32
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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.