Finding the Fourth Proportional to 249,896.18, 344,865.01 and 136,718.98
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Solution
The fourth proportional to 249,896.18, 344,865.01 and 136,718.98 is: 188,676.72
Step by Step Solution
- Step 1: Write the proportion equation
249,896.18 : 344,865.01 = 136,718.98 : x - Step 2: Convert to fraction form
249,896.18/344,865.01 = 136,718.98/x - Step 3: Cross multiply
249,896.18x = 344,865.01 × 136,718.98 - Step 4: Simplify right side
249,896.18x = 47,149,592,404.89 - Step 5: Solve for x
x = 47,149,592,404.89/249,896.18 - Step 6: Final answer
x = 188,676.72
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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.