Finding the Fourth Proportional to 292,031.35, 438,101.11 and 92,401.99
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Solution
The fourth proportional to 292,031.35, 438,101.11 and 92,401.99 is: 138,620.10
Step by Step Solution
- Step 1: Write the proportion equation
292,031.35 : 438,101.11 = 92,401.99 : x - Step 2: Convert to fraction form
292,031.35/438,101.11 = 92,401.99/x - Step 3: Cross multiply
292,031.35x = 438,101.11 × 92,401.99 - Step 4: Simplify right side
292,031.35x = 40,481,413,923.20 - Step 5: Solve for x
x = 40,481,413,923.20/292,031.35 - Step 6: Final answer
x = 138,620.10
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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.