Finding the Fourth Proportional to 434,548.90, 651,823.35 and 135,027.10
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Solution
The fourth proportional to 434,548.90, 651,823.35 and 135,027.10 is: 202,540.65
Step by Step Solution
- Step 1: Write the proportion equation
434,548.90 : 651,823.35 = 135,027.10 : x - Step 2: Convert to fraction form
434,548.90/651,823.35 = 135,027.10/x - Step 3: Cross multiply
434,548.90x = 651,823.35 × 135,027.10 - Step 4: Simplify right side
434,548.90x = 88,013,816,662.79 - Step 5: Solve for x
x = 88,013,816,662.79/434,548.90 - Step 6: Final answer
x = 202,540.65
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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.