Finding the Fourth Proportional to 247,038.13, 340,913.81 and 133,861.09
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Solution
The fourth proportional to 247,038.13, 340,913.81 and 133,861.09 is: 184,728.95
Step by Step Solution
- Step 1: Write the proportion equation
247,038.13 : 340,913.81 = 133,861.09 : x - Step 2: Convert to fraction form
247,038.13/340,913.81 = 133,861.09/x - Step 3: Cross multiply
247,038.13x = 340,913.81 × 133,861.09 - Step 4: Simplify right side
247,038.13x = 45,635,093,533.35 - Step 5: Solve for x
x = 45,635,093,533.35/247,038.13 - Step 6: Final answer
x = 184,728.95
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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.