Finding the Fourth Proportional to 438,604.68, 605,309.62 and 348,702.56
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Solution
The fourth proportional to 438,604.68, 605,309.62 and 348,702.56 is: 481,237.49
Step by Step Solution
- Step 1: Write the proportion equation
438,604.68 : 605,309.62 = 348,702.56 : x - Step 2: Convert to fraction form
438,604.68/605,309.62 = 348,702.56/x - Step 3: Cross multiply
438,604.68x = 605,309.62 × 348,702.56 - Step 4: Simplify right side
438,604.68x = 211,073,014,086.63 - Step 5: Solve for x
x = 211,073,014,086.63/438,604.68 - Step 6: Final answer
x = 481,237.49
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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.