Finding the Fourth Proportional to 249,803.22, 344,735.73 and 136,633.62
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Solution
The fourth proportional to 249,803.22, 344,735.73 and 136,633.62 is: 188,558.38
Step by Step Solution
- Step 1: Write the proportion equation
249,803.22 : 344,735.73 = 136,633.62 : x - Step 2: Convert to fraction form
249,803.22/344,735.73 = 136,633.62/x - Step 3: Cross multiply
249,803.22x = 344,735.73 × 136,633.62 - Step 4: Simplify right side
249,803.22x = 47,102,490,733.24 - Step 5: Solve for x
x = 47,102,490,733.24/249,803.22 - Step 6: Final answer
x = 188,558.38
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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.