Finding the Fourth Proportional to 101,489.97, 152,249.54 and 31,374.75
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Solution
The fourth proportional to 101,489.97, 152,249.54 and 31,374.75 is: 47,066.63
Step by Step Solution
- Step 1: Write the proportion equation
101,489.97 : 152,249.54 = 31,374.75 : x - Step 2: Convert to fraction form
101,489.97/152,249.54 = 31,374.75/x - Step 3: Cross multiply
101,489.97x = 152,249.54 × 31,374.75 - Step 4: Simplify right side
101,489.97x = 4,776,791,098.24 - Step 5: Solve for x
x = 4,776,791,098.24/101,489.97 - Step 6: Final answer
x = 47,066.63
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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.