Finding the Fourth Proportional to 249,524.34, 344,344.46 and 136,347.09
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Solution
The fourth proportional to 249,524.34, 344,344.46 and 136,347.09 is: 188,159.46
Step by Step Solution
- Step 1: Write the proportion equation
249,524.34 : 344,344.46 = 136,347.09 : x - Step 2: Convert to fraction form
249,524.34/344,344.46 = 136,347.09/x - Step 3: Cross multiply
249,524.34x = 344,344.46 × 136,347.09 - Step 4: Simplify right side
249,524.34x = 46,950,365,078.62 - Step 5: Solve for x
x = 46,950,365,078.62/249,524.34 - Step 6: Final answer
x = 188,159.46
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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.