Finding the Fourth Proportional to 747,530.34, 1,121,289.75 and 186,561.06
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Solution
The fourth proportional to 747,530.34, 1,121,289.75 and 186,561.06 is: 279,840.15
Step by Step Solution
- Step 1: Write the proportion equation
747,530.34 : 1,121,289.75 = 186,561.06 : x - Step 2: Convert to fraction form
747,530.34/1,121,289.75 = 186,561.06/x - Step 3: Cross multiply
747,530.34x = 1,121,289.75 × 186,561.06 - Step 4: Simplify right side
747,530.34x = 209,189,004,327.14 - Step 5: Solve for x
x = 209,189,004,327.14/747,530.34 - Step 6: Final answer
x = 279,840.15
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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.