Finding the Fourth Proportional to 552,203.40, 828,305.10 and 353,137.80
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Solution
The fourth proportional to 552,203.40, 828,305.10 and 353,137.80 is: 529,706.70
Step by Step Solution
- Step 1: Write the proportion equation
552,203.40 : 828,305.10 = 353,137.80 : x - Step 2: Convert to fraction form
552,203.40/828,305.10 = 353,137.80/x - Step 3: Cross multiply
552,203.40x = 828,305.10 × 353,137.80 - Step 4: Simplify right side
552,203.40x = 292,505,840,742.78 - Step 5: Solve for x
x = 292,505,840,742.78/552,203.40 - Step 6: Final answer
x = 529,706.70
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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.