Finding the Fourth Proportional to 249,557.91, 344,390.06 and 136,380.66
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Solution
The fourth proportional to 249,557.91, 344,390.06 and 136,380.66 is: 188,205.39
Step by Step Solution
- Step 1: Write the proportion equation
249,557.91 : 344,390.06 = 136,380.66 : x - Step 2: Convert to fraction form
249,557.91/344,390.06 = 136,380.66/x - Step 3: Cross multiply
249,557.91x = 344,390.06 × 136,380.66 - Step 4: Simplify right side
249,557.91x = 46,968,143,680.24 - Step 5: Solve for x
x = 46,968,143,680.24/249,557.91 - Step 6: Final answer
x = 188,205.39
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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.