Finding the Fourth Proportional to 674,306.11, 1,011,526.81 and 194,545.79
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Solution
The fourth proportional to 674,306.11, 1,011,526.81 and 194,545.79 is: 291,838.20
Step by Step Solution
- Step 1: Write the proportion equation
674,306.11 : 1,011,526.81 = 194,545.79 : x - Step 2: Convert to fraction form
674,306.11/1,011,526.81 = 194,545.79/x - Step 3: Cross multiply
674,306.11x = 1,011,526.81 × 194,545.79 - Step 4: Simplify right side
674,306.11x = 196,788,282,357.63 - Step 5: Solve for x
x = 196,788,282,357.63/674,306.11 - Step 6: Final answer
x = 291,838.20
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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.