Finding the Fourth Proportional to 490,672.24, 736,091.28 and 153,646.42
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Solution
The fourth proportional to 490,672.24, 736,091.28 and 153,646.42 is: 230,495.60
Step by Step Solution
- Step 1: Write the proportion equation
490,672.24 : 736,091.28 = 153,646.42 : x - Step 2: Convert to fraction form
490,672.24/736,091.28 = 153,646.42/x - Step 3: Cross multiply
490,672.24x = 736,091.28 × 153,646.42 - Step 4: Simplify right side
490,672.24x = 113,097,789,965.22 - Step 5: Solve for x
x = 113,097,789,965.22/490,672.24 - Step 6: Final answer
x = 230,495.60
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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.