Finding the Fourth Proportional to 90,327.33, 135,462.29 and 84,430.62
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Solution
The fourth proportional to 90,327.33, 135,462.29 and 84,430.62 is: 126,619.09
Step by Step Solution
- Step 1: Write the proportion equation
90,327.33 : 135,462.29 = 84,430.62 : x - Step 2: Convert to fraction form
90,327.33/135,462.29 = 84,430.62/x - Step 3: Cross multiply
90,327.33x = 135,462.29 × 84,430.62 - Step 4: Simplify right side
90,327.33x = 11,437,164,709.17 - Step 5: Solve for x
x = 11,437,164,709.17/90,327.33 - Step 6: Final answer
x = 126,619.09
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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.