Finding the Fourth Proportional to 372,335.98, 513,832.53 and 211,201.90
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Solution
The fourth proportional to 372,335.98, 513,832.53 and 211,201.90 is: 291,463.66
Step by Step Solution
- Step 1: Write the proportion equation
372,335.98 : 513,832.53 = 211,201.90 : x - Step 2: Convert to fraction form
372,335.98/513,832.53 = 211,201.90/x - Step 3: Cross multiply
372,335.98x = 513,832.53 × 211,201.90 - Step 4: Simplify right side
372,335.98x = 108,522,406,617.81 - Step 5: Solve for x
x = 108,522,406,617.81/372,335.98 - Step 6: Final answer
x = 291,463.66
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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.