Finding the Fourth Proportional to 438,773.18, 605,567.12 and 252,500.81
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Solution
The fourth proportional to 438,773.18, 605,567.12 and 252,500.81 is: 348,485.72
Step by Step Solution
- Step 1: Write the proportion equation
438,773.18 : 605,567.12 = 252,500.81 : x - Step 2: Convert to fraction form
438,773.18/605,567.12 = 252,500.81/x - Step 3: Cross multiply
438,773.18x = 605,567.12 × 252,500.81 - Step 4: Simplify right side
438,773.18x = 152,906,184,965.91 - Step 5: Solve for x
x = 152,906,184,965.91/438,773.18 - Step 6: Final answer
x = 348,485.72
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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.