Finding the Fourth Proportional to 249,634.76, 374,545.67 and 129,616.79
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Solution
The fourth proportional to 249,634.76, 374,545.67 and 129,616.79 is: 194,473.74
Step by Step Solution
- Step 1: Write the proportion equation
249,634.76 : 374,545.67 = 129,616.79 : x - Step 2: Convert to fraction form
249,634.76/374,545.67 = 129,616.79/x - Step 3: Cross multiply
249,634.76x = 374,545.67 × 129,616.79 - Step 4: Simplify right side
249,634.76x = 48,547,404,932.99 - Step 5: Solve for x
x = 48,547,404,932.99/249,634.76 - Step 6: Final answer
x = 194,473.74
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.