Finding the Fourth Proportional to 431,820.23, 595,719.36 and 250,427.07
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Solution
The fourth proportional to 431,820.23, 595,719.36 and 250,427.07 is: 345,477.69
Step by Step Solution
- Step 1: Write the proportion equation
431,820.23 : 595,719.36 = 250,427.07 : x - Step 2: Convert to fraction form
431,820.23/595,719.36 = 250,427.07/x - Step 3: Cross multiply
431,820.23x = 595,719.36 × 250,427.07 - Step 4: Simplify right side
431,820.23x = 149,184,253,867.08 - Step 5: Solve for x
x = 149,184,253,867.08/431,820.23 - Step 6: Final answer
x = 345,477.69
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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.