Finding the Fourth Proportional to 357,783.63, 536,743.49 and 121,062.75
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Solution
The fourth proportional to 357,783.63, 536,743.49 and 121,062.75 is: 181,617.15
Step by Step Solution
- Step 1: Write the proportion equation
357,783.63 : 536,743.49 = 121,062.75 : x - Step 2: Convert to fraction form
357,783.63/536,743.49 = 121,062.75/x - Step 3: Cross multiply
357,783.63x = 536,743.49 × 121,062.75 - Step 4: Simplify right side
357,783.63x = 64,979,642,338.68 - Step 5: Solve for x
x = 64,979,642,338.68/357,783.63 - Step 6: Final answer
x = 181,617.15
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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.