Finding the Fourth Proportional to 625,142.12, 936,157.98 and 437,273.96
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Solution
The fourth proportional to 625,142.12, 936,157.98 and 437,273.96 is: 654,823.11
Step by Step Solution
- Step 1: Write the proportion equation
625,142.12 : 936,157.98 = 437,273.96 : x - Step 2: Convert to fraction form
625,142.12/936,157.98 = 437,273.96/x - Step 3: Cross multiply
625,142.12x = 936,157.98 × 437,273.96 - Step 4: Simplify right side
625,142.12x = 409,357,507,100.20 - Step 5: Solve for x
x = 409,357,507,100.20/625,142.12 - Step 6: Final answer
x = 654,823.11
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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.