Finding the Fourth Proportional to 424,445.53, 585,708.75 and 243,115.89
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Solution
The fourth proportional to 424,445.53, 585,708.75 and 243,115.89 is: 335,484.99
Step by Step Solution
- Step 1: Write the proportion equation
424,445.53 : 585,708.75 = 243,115.89 : x - Step 2: Convert to fraction form
424,445.53/585,708.75 = 243,115.89/x - Step 3: Cross multiply
424,445.53x = 585,708.75 × 243,115.89 - Step 4: Simplify right side
424,445.53x = 142,395,104,037.04 - Step 5: Solve for x
x = 142,395,104,037.04/424,445.53 - Step 6: Final answer
x = 335,484.99
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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.