Finding the Fourth Proportional to 249,748.63, 344,646.12 and 136,568.95
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Solution
The fourth proportional to 249,748.63, 344,646.12 and 136,568.95 is: 188,461.33
Step by Step Solution
- Step 1: Write the proportion equation
249,748.63 : 344,646.12 = 136,568.95 : x - Step 2: Convert to fraction form
249,748.63/344,646.12 = 136,568.95/x - Step 3: Cross multiply
249,748.63x = 344,646.12 × 136,568.95 - Step 4: Simplify right side
249,748.63x = 47,067,959,166.83 - Step 5: Solve for x
x = 47,067,959,166.83/249,748.63 - Step 6: Final answer
x = 188,461.33
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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.