Finding the Fourth Proportional to 424,482.12, 585,775.56 and 233,491.44
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Solution
The fourth proportional to 424,482.12, 585,775.56 and 233,491.44 is: 322,212.82
Step by Step Solution
- Step 1: Write the proportion equation
424,482.12 : 585,775.56 = 233,491.44 : x - Step 2: Convert to fraction form
424,482.12/585,775.56 = 233,491.44/x - Step 3: Cross multiply
424,482.12x = 585,775.56 × 233,491.44 - Step 4: Simplify right side
424,482.12x = 136,773,579,021.21 - Step 5: Solve for x
x = 136,773,579,021.21/424,482.12 - Step 6: Final answer
x = 322,212.82
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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.