Finding the Fourth Proportional to 249,958.99, 344,943.44 and 136,781.75
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Solution
The fourth proportional to 249,958.99, 344,943.44 and 136,781.75 is: 188,758.83
Step by Step Solution
- Step 1: Write the proportion equation
249,958.99 : 344,943.44 = 136,781.75 : x - Step 2: Convert to fraction form
249,958.99/344,943.44 = 136,781.75/x - Step 3: Cross multiply
249,958.99x = 344,943.44 × 136,781.75 - Step 4: Simplify right side
249,958.99x = 47,181,966,690.31 - Step 5: Solve for x
x = 47,181,966,690.31/249,958.99 - Step 6: Final answer
x = 188,758.83
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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.