Finding the Fourth Proportional to 249,635.88, 344,502.98 and 136,458.62
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Solution
The fourth proportional to 249,635.88, 344,502.98 and 136,458.62 is: 188,315.88
Step by Step Solution
- Step 1: Write the proportion equation
249,635.88 : 344,502.98 = 136,458.62 : x - Step 2: Convert to fraction form
249,635.88/344,502.98 = 136,458.62/x - Step 3: Cross multiply
249,635.88x = 344,502.98 × 136,458.62 - Step 4: Simplify right side
249,635.88x = 47,010,401,236.69 - Step 5: Solve for x
x = 47,010,401,236.69/249,635.88 - Step 6: Final answer
x = 188,315.88
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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.