Finding the Fourth Proportional to 249,713.91, 344,604.73 and 134,992.63
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Solution
The fourth proportional to 249,713.91, 344,604.73 and 134,992.63 is: 186,289.58
Step by Step Solution
- Step 1: Write the proportion equation
249,713.91 : 344,604.73 = 134,992.63 : x - Step 2: Convert to fraction form
249,713.91/344,604.73 = 134,992.63/x - Step 3: Cross multiply
249,713.91x = 344,604.73 × 134,992.63 - Step 4: Simplify right side
249,713.91x = 46,519,098,813.14 - Step 5: Solve for x
x = 46,519,098,813.14/249,713.91 - Step 6: Final answer
x = 186,289.58
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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.