Finding the Fourth Proportional to 405,950.08, 609,060.35 and 136,104.92
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Solution
The fourth proportional to 405,950.08, 609,060.35 and 136,104.92 is: 204,202.72
Step by Step Solution
- Step 1: Write the proportion equation
405,950.08 : 609,060.35 = 136,104.92 : x - Step 2: Convert to fraction form
405,950.08/609,060.35 = 136,104.92/x - Step 3: Cross multiply
405,950.08x = 609,060.35 × 136,104.92 - Step 4: Simplify right side
405,950.08x = 82,896,111,054.05 - Step 5: Solve for x
x = 82,896,111,054.05/405,950.08 - Step 6: Final answer
x = 204,202.72
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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.