Finding the Fourth Proportional to 249,879.33, 344,836.44 and 136,702.08
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Solution
The fourth proportional to 249,879.33, 344,836.44 and 136,702.08 is: 188,650.49
Step by Step Solution
- Step 1: Write the proportion equation
249,879.33 : 344,836.44 = 136,702.08 : x - Step 2: Convert to fraction form
249,879.33/344,836.44 = 136,702.08/x - Step 3: Cross multiply
249,879.33x = 344,836.44 × 136,702.08 - Step 4: Simplify right side
249,879.33x = 47,139,858,607.80 - Step 5: Solve for x
x = 47,139,858,607.80/249,879.33 - Step 6: Final answer
x = 188,650.49
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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.