Finding the Fourth Proportional to 270,351.12, 405,526.56 and 73,359.12
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Solution
The fourth proportional to 270,351.12, 405,526.56 and 73,359.12 is: 110,038.65
Step by Step Solution
- Step 1: Write the proportion equation
270,351.12 : 405,526.56 = 73,359.12 : x - Step 2: Convert to fraction form
270,351.12/405,526.56 = 73,359.12/x - Step 3: Cross multiply
270,351.12x = 405,526.56 × 73,359.12 - Step 4: Simplify right side
270,351.12x = 29,749,071,578.23 - Step 5: Solve for x
x = 29,749,071,578.23/270,351.12 - Step 6: Final answer
x = 110,038.65
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1.5x scale
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.