Finding the Fourth Proportional to 490,809.24, 736,192.44 and 153,842.20
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Solution
The fourth proportional to 490,809.24, 736,192.44 and 153,842.20 is: 230,756.59
Step by Step Solution
- Step 1: Write the proportion equation
490,809.24 : 736,192.44 = 153,842.20 : x - Step 2: Convert to fraction form
490,809.24/736,192.44 = 153,842.20/x - Step 3: Cross multiply
490,809.24x = 736,192.44 × 153,842.20 - Step 4: Simplify right side
490,809.24x = 113,257,464,592.97 - Step 5: Solve for x
x = 113,257,464,592.97/490,809.24 - Step 6: Final answer
x = 230,756.59
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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.