Finding the Fourth Proportional to 189,148.19, 260,941.77 and 124,534.08
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Solution
The fourth proportional to 189,148.19, 260,941.77 and 124,534.08 is: 171,802.56
Step by Step Solution
- Step 1: Write the proportion equation
189,148.19 : 260,941.77 = 124,534.08 : x - Step 2: Convert to fraction form
189,148.19/260,941.77 = 124,534.08/x - Step 3: Cross multiply
189,148.19x = 260,941.77 × 124,534.08 - Step 4: Simplify right side
189,148.19x = 32,496,143,260.52 - Step 5: Solve for x
x = 32,496,143,260.52/189,148.19 - Step 6: Final answer
x = 171,802.56
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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.