Finding the Fourth Proportional to 695,149.31, 959,226.75 and 389,183.15
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Solution
The fourth proportional to 695,149.31, 959,226.75 and 389,183.15 is: 537,028.35
Step by Step Solution
- Step 1: Write the proportion equation
695,149.31 : 959,226.75 = 389,183.15 : x - Step 2: Convert to fraction form
695,149.31/959,226.75 = 389,183.15/x - Step 3: Cross multiply
695,149.31x = 959,226.75 × 389,183.15 - Step 4: Simplify right side
695,149.31x = 373,314,883,333.13 - Step 5: Solve for x
x = 373,314,883,333.13/695,149.31 - Step 6: Final answer
x = 537,028.35
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.