Finding the Fourth Proportional to 212,430.24, 318,842.28 and 107,323.02
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Solution
The fourth proportional to 212,430.24, 318,842.28 and 107,323.02 is: 161,084.02
Step by Step Solution
- Step 1: Write the proportion equation
212,430.24 : 318,842.28 = 107,323.02 : x - Step 2: Convert to fraction form
212,430.24/318,842.28 = 107,323.02/x - Step 3: Cross multiply
212,430.24x = 318,842.28 × 107,323.02 - Step 4: Simplify right side
212,430.24x = 34,219,116,393.29 - Step 5: Solve for x
x = 34,219,116,393.29/212,430.24 - Step 6: Final answer
x = 161,084.02
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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.