Finding the Fourth Proportional to 424,679.99, 586,050.97 and 231,081.17
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Solution
The fourth proportional to 424,679.99, 586,050.97 and 231,081.17 is: 318,887.98
Step by Step Solution
- Step 1: Write the proportion equation
424,679.99 : 586,050.97 = 231,081.17 : x - Step 2: Convert to fraction form
424,679.99/586,050.97 = 231,081.17/x - Step 3: Cross multiply
424,679.99x = 586,050.97 × 231,081.17 - Step 4: Simplify right side
424,679.99x = 135,425,343,827.24 - Step 5: Solve for x
x = 135,425,343,827.24/424,679.99 - Step 6: Final answer
x = 318,887.98
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1.5x scale
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.