Finding the Fourth Proportional to 189,038.78, 283,558.16 and 55,908.68
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Solution
The fourth proportional to 189,038.78, 283,558.16 and 55,908.68 is: 83,863.02
Step by Step Solution
- Step 1: Write the proportion equation
189,038.78 : 283,558.16 = 55,908.68 : x - Step 2: Convert to fraction form
189,038.78/283,558.16 = 55,908.68/x - Step 3: Cross multiply
189,038.78x = 283,558.16 × 55,908.68 - Step 4: Simplify right side
189,038.78x = 15,853,362,428.83 - Step 5: Solve for x
x = 15,853,362,428.83/189,038.78 - Step 6: Final answer
x = 83,863.02
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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.