Finding the Fourth Proportional to 505,009.50, 757,641.12 and 145,181.01
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Solution
The fourth proportional to 505,009.50, 757,641.12 and 145,181.01 is: 217,807.99
Step by Step Solution
- Step 1: Write the proportion equation
505,009.50 : 757,641.12 = 145,181.01 : x - Step 2: Convert to fraction form
505,009.50/757,641.12 = 145,181.01/x - Step 3: Cross multiply
505,009.50x = 757,641.12 × 145,181.01 - Step 4: Simplify right side
505,009.50x = 109,995,103,019.13 - Step 5: Solve for x
x = 109,995,103,019.13/505,009.50 - Step 6: Final answer
x = 217,807.99
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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.