Finding the Fourth Proportional to 413,461.70, 620,365.35 and 133,064.90
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Solution
The fourth proportional to 413,461.70, 620,365.35 and 133,064.90 is: 199,652.96
Step by Step Solution
- Step 1: Write the proportion equation
413,461.70 : 620,365.35 = 133,064.90 : x - Step 2: Convert to fraction form
413,461.70/620,365.35 = 133,064.90/x - Step 3: Cross multiply
413,461.70x = 620,365.35 × 133,064.90 - Step 4: Simplify right side
413,461.70x = 82,548,853,261.22 - Step 5: Solve for x
x = 82,548,853,261.22/413,461.70 - Step 6: Final answer
x = 199,652.96
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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.