Finding the Fourth Proportional to 249,487.63, 344,292.92 and 136,311.19
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Solution
The fourth proportional to 249,487.63, 344,292.92 and 136,311.19 is: 188,109.44
Step by Step Solution
- Step 1: Write the proportion equation
249,487.63 : 344,292.92 = 136,311.19 : x - Step 2: Convert to fraction form
249,487.63/344,292.92 = 136,311.19/x - Step 3: Cross multiply
249,487.63x = 344,292.92 × 136,311.19 - Step 4: Simplify right side
249,487.63x = 46,930,977,633.77 - Step 5: Solve for x
x = 46,930,977,633.77/249,487.63 - Step 6: Final answer
x = 188,109.44
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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.