Finding the Fourth Proportional to 302,861.99, 417,952.36 and 166,900.81
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Solution
The fourth proportional to 302,861.99, 417,952.36 and 166,900.81 is: 230,324.67
Step by Step Solution
- Step 1: Write the proportion equation
302,861.99 : 417,952.36 = 166,900.81 : x - Step 2: Convert to fraction form
302,861.99/417,952.36 = 166,900.81/x - Step 3: Cross multiply
302,861.99x = 417,952.36 × 166,900.81 - Step 4: Simplify right side
302,861.99x = 69,756,586,590.91 - Step 5: Solve for x
x = 69,756,586,590.91/302,861.99 - Step 6: Final answer
x = 230,324.67
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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.