Finding the Fourth Proportional to 314,359.26, 471,539.04 and 103,997.19
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Solution
The fourth proportional to 314,359.26, 471,539.04 and 103,997.19 is: 155,995.83
Step by Step Solution
- Step 1: Write the proportion equation
314,359.26 : 471,539.04 = 103,997.19 : x - Step 2: Convert to fraction form
314,359.26/471,539.04 = 103,997.19/x - Step 3: Cross multiply
314,359.26x = 471,539.04 × 103,997.19 - Step 4: Simplify right side
314,359.26x = 49,038,735,135.30 - Step 5: Solve for x
x = 49,038,735,135.30/314,359.26 - Step 6: Final answer
x = 155,995.83
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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.