Finding the Fourth Proportional to 320,276.18, 441,962.12 and 177,027.68
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Solution
The fourth proportional to 320,276.18, 441,962.12 and 177,027.68 is: 244,287.69
Step by Step Solution
- Step 1: Write the proportion equation
320,276.18 : 441,962.12 = 177,027.68 : x - Step 2: Convert to fraction form
320,276.18/441,962.12 = 177,027.68/x - Step 3: Cross multiply
320,276.18x = 441,962.12 × 177,027.68 - Step 4: Simplify right side
320,276.18x = 78,239,525,656.53 - Step 5: Solve for x
x = 78,239,525,656.53/320,276.18 - Step 6: Final answer
x = 244,287.69
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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.