Finding the Fourth Proportional to 162,917.68, 224,829.12 and 91,313.68
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Solution
The fourth proportional to 162,917.68, 224,829.12 and 91,313.68 is: 126,014.40
Step by Step Solution
- Step 1: Write the proportion equation
162,917.68 : 224,829.12 = 91,313.68 : x - Step 2: Convert to fraction form
162,917.68/224,829.12 = 91,313.68/x - Step 3: Cross multiply
162,917.68x = 224,829.12 × 91,313.68 - Step 4: Simplify right side
162,917.68x = 20,529,974,318.36 - Step 5: Solve for x
x = 20,529,974,318.36/162,917.68 - Step 6: Final answer
x = 126,014.40
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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.