Finding the Fourth Proportional to 249,873.07, 344,832.99 and 136,695.82
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Solution
The fourth proportional to 249,873.07, 344,832.99 and 136,695.82 is: 188,644.69
Step by Step Solution
- Step 1: Write the proportion equation
249,873.07 : 344,832.99 = 136,695.82 : x - Step 2: Convert to fraction form
249,873.07/344,832.99 = 136,695.82/x - Step 3: Cross multiply
249,873.07x = 344,832.99 × 136,695.82 - Step 4: Simplify right side
249,873.07x = 47,137,227,647.62 - Step 5: Solve for x
x = 47,137,227,647.62/249,873.07 - Step 6: Final answer
x = 188,644.69
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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.