Finding the Fourth Proportional to 381,306.99, 571,963.75 and 96,997.79
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Solution
The fourth proportional to 381,306.99, 571,963.75 and 96,997.79 is: 145,497.51
Step by Step Solution
- Step 1: Write the proportion equation
381,306.99 : 571,963.75 = 96,997.79 : x - Step 2: Convert to fraction form
381,306.99/571,963.75 = 96,997.79/x - Step 3: Cross multiply
381,306.99x = 571,963.75 × 96,997.79 - Step 4: Simplify right side
381,306.99x = 55,479,216,365.30 - Step 5: Solve for x
x = 55,479,216,365.30/381,306.99 - Step 6: Final answer
x = 145,497.51
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1.5x scale
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.