Finding the Fourth Proportional to 333,477.99, 459,229.23 and 289,850.99
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Solution
The fourth proportional to 333,477.99, 459,229.23 and 289,850.99 is: 399,150.91
Step by Step Solution
- Step 1: Write the proportion equation
333,477.99 : 459,229.23 = 289,850.99 : x - Step 2: Convert to fraction form
333,477.99/459,229.23 = 289,850.99/x - Step 3: Cross multiply
333,477.99x = 459,229.23 × 289,850.99 - Step 4: Simplify right side
333,477.99x = 133,108,044,656.29 - Step 5: Solve for x
x = 133,108,044,656.29/333,477.99 - Step 6: Final answer
x = 399,150.91
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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.