Finding the Fourth Proportional to 163,276.80, 244,915.20 and 144,031.20
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Solution
The fourth proportional to 163,276.80, 244,915.20 and 144,031.20 is: 216,046.80
Step by Step Solution
- Step 1: Write the proportion equation
163,276.80 : 244,915.20 = 144,031.20 : x - Step 2: Convert to fraction form
163,276.80/244,915.20 = 144,031.20/x - Step 3: Cross multiply
163,276.80x = 244,915.20 × 144,031.20 - Step 4: Simplify right side
163,276.80x = 35,275,430,154.24 - Step 5: Solve for x
x = 35,275,430,154.24/163,276.80 - Step 6: Final answer
x = 216,046.80
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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.