Finding the Fourth Proportional to 249,787.87, 344,709.98 and 136,608.19
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Solution
The fourth proportional to 249,787.87, 344,709.98 and 136,608.19 is: 188,520.79
Step by Step Solution
- Step 1: Write the proportion equation
249,787.87 : 344,709.98 = 136,608.19 : x - Step 2: Convert to fraction form
249,787.87/344,709.98 = 136,608.19/x - Step 3: Cross multiply
249,787.87x = 344,709.98 × 136,608.19 - Step 4: Simplify right side
249,787.87x = 47,090,205,410.20 - Step 5: Solve for x
x = 47,090,205,410.20/249,787.87 - Step 6: Final answer
x = 188,520.79
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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.