Finding the Fourth Proportional to 146,365.68, 201,984.48 and 79,297.68
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Solution
The fourth proportional to 146,365.68, 201,984.48 and 79,297.68 is: 109,430.71
Step by Step Solution
- Step 1: Write the proportion equation
146,365.68 : 201,984.48 = 79,297.68 : x - Step 2: Convert to fraction form
146,365.68/201,984.48 = 79,297.68/x - Step 3: Cross multiply
146,365.68x = 201,984.48 × 79,297.68 - Step 4: Simplify right side
146,365.68x = 16,016,900,660.01 - Step 5: Solve for x
x = 16,016,900,660.01/146,365.68 - Step 6: Final answer
x = 109,430.71
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.