Finding the Fourth Proportional to 247,038.36, 340,913.46 and 133,861.14
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Solution
The fourth proportional to 247,038.36, 340,913.46 and 133,861.14 is: 184,728.66
Step by Step Solution
- Step 1: Write the proportion equation
247,038.36 : 340,913.46 = 133,861.14 : x - Step 2: Convert to fraction form
247,038.36/340,913.46 = 133,861.14/x - Step 3: Cross multiply
247,038.36x = 340,913.46 × 133,861.14 - Step 4: Simplify right side
247,038.36x = 45,635,064,396.94 - Step 5: Solve for x
x = 45,635,064,396.94/247,038.36 - Step 6: Final answer
x = 184,728.66
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1.5x scale
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.