Finding the Fourth Proportional to 260,512.24, 390,753.36 and 100,556.88
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Solution
The fourth proportional to 260,512.24, 390,753.36 and 100,556.88 is: 150,829.53
Step by Step Solution
- Step 1: Write the proportion equation
260,512.24 : 390,753.36 = 100,556.88 : x - Step 2: Convert to fraction form
260,512.24/390,753.36 = 100,556.88/x - Step 3: Cross multiply
260,512.24x = 390,753.36 × 100,556.88 - Step 4: Simplify right side
260,512.24x = 39,292,938,731.12 - Step 5: Solve for x
x = 39,292,938,731.12/260,512.24 - Step 6: Final answer
x = 150,829.53
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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.