Finding the Fourth Proportional to 306,122.40, 458,276.40 and 227,584.80
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Solution
The fourth proportional to 306,122.40, 458,276.40 and 227,584.80 is: 340,702.75
Step by Step Solution
- Step 1: Write the proportion equation
306,122.40 : 458,276.40 = 227,584.80 : x - Step 2: Convert to fraction form
306,122.40/458,276.40 = 227,584.80/x - Step 3: Cross multiply
306,122.40x = 458,276.40 × 227,584.80 - Step 4: Simplify right side
306,122.40x = 104,296,742,838.72 - Step 5: Solve for x
x = 104,296,742,838.72/306,122.40 - Step 6: Final answer
x = 340,702.75
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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.