Finding the Fourth Proportional to 437,675.20, 656,512.80 and 260,090.80
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Solution
The fourth proportional to 437,675.20, 656,512.80 and 260,090.80 is: 390,136.20
Step by Step Solution
- Step 1: Write the proportion equation
437,675.20 : 656,512.80 = 260,090.80 : x - Step 2: Convert to fraction form
437,675.20/656,512.80 = 260,090.80/x - Step 3: Cross multiply
437,675.20x = 656,512.80 × 260,090.80 - Step 4: Simplify right side
437,675.20x = 170,752,939,362.24 - Step 5: Solve for x
x = 170,752,939,362.24/437,675.20 - Step 6: Final answer
x = 390,136.20
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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.