Finding the Fourth Proportional to 216,281.48, 324,347.08 and 120,365.06
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Solution
The fourth proportional to 216,281.48, 324,347.08 and 120,365.06 is: 180,505.77
Step by Step Solution
- Step 1: Write the proportion equation
216,281.48 : 324,347.08 = 120,365.06 : x - Step 2: Convert to fraction form
216,281.48/324,347.08 = 120,365.06/x - Step 3: Cross multiply
216,281.48x = 324,347.08 × 120,365.06 - Step 4: Simplify right side
216,281.48x = 39,040,054,633.24 - Step 5: Solve for x
x = 39,040,054,633.24/216,281.48 - Step 6: Final answer
x = 180,505.77
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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.