Finding the Fourth Proportional to 249,794.76, 344,724.99 and 136,617.51
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Solution
The fourth proportional to 249,794.76, 344,724.99 and 136,617.51 is: 188,536.66
Step by Step Solution
- Step 1: Write the proportion equation
249,794.76 : 344,724.99 = 136,617.51 : x - Step 2: Convert to fraction form
249,794.76/344,724.99 = 136,617.51/x - Step 3: Cross multiply
249,794.76x = 344,724.99 × 136,617.51 - Step 4: Simplify right side
249,794.76x = 47,095,469,768.57 - Step 5: Solve for x
x = 47,095,469,768.57/249,794.76 - Step 6: Final answer
x = 188,536.66
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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.