Finding the Fourth Proportional to 249,895.68, 344,864.32 and 136,718.48
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Solution
The fourth proportional to 249,895.68, 344,864.32 and 136,718.48 is: 188,676.03
Step by Step Solution
- Step 1: Write the proportion equation
249,895.68 : 344,864.32 = 136,718.48 : x - Step 2: Convert to fraction form
249,895.68/344,864.32 = 136,718.48/x - Step 3: Cross multiply
249,895.68x = 344,864.32 × 136,718.48 - Step 4: Simplify right side
249,895.68x = 47,149,325,636.63 - Step 5: Solve for x
x = 47,149,325,636.63/249,895.68 - Step 6: Final answer
x = 188,676.03
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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.