Finding the Fourth Proportional to 438,480.18, 605,102.31 and 237,276.18
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Solution
The fourth proportional to 438,480.18, 605,102.31 and 237,276.18 is: 327,440.95
Step by Step Solution
- Step 1: Write the proportion equation
438,480.18 : 605,102.31 = 237,276.18 : x - Step 2: Convert to fraction form
438,480.18/605,102.31 = 237,276.18/x - Step 3: Cross multiply
438,480.18x = 605,102.31 × 237,276.18 - Step 4: Simplify right side
438,480.18x = 143,576,364,625.98 - Step 5: Solve for x
x = 143,576,364,625.98/438,480.18 - Step 6: Final answer
x = 327,440.95
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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.