Finding the Fourth Proportional to 442,579.16, 661,349.23 and 332,315.26
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Solution
The fourth proportional to 442,579.16, 661,349.23 and 332,315.26 is: 496,581.09
Step by Step Solution
- Step 1: Write the proportion equation
442,579.16 : 661,349.23 = 332,315.26 : x - Step 2: Convert to fraction form
442,579.16/661,349.23 = 332,315.26/x - Step 3: Cross multiply
442,579.16x = 661,349.23 × 332,315.26 - Step 4: Simplify right side
442,579.16x = 219,776,441,318.25 - Step 5: Solve for x
x = 219,776,441,318.25/442,579.16 - Step 6: Final answer
x = 496,581.09
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.