Finding the Fourth Proportional to 438,963.84, 605,770.20 and 237,759.84
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Solution
The fourth proportional to 438,963.84, 605,770.20 and 237,759.84 is: 328,108.63
Step by Step Solution
- Step 1: Write the proportion equation
438,963.84 : 605,770.20 = 237,759.84 : x - Step 2: Convert to fraction form
438,963.84/605,770.20 = 237,759.84/x - Step 3: Cross multiply
438,963.84x = 605,770.20 × 237,759.84 - Step 4: Simplify right side
438,963.84x = 144,027,825,828.77 - Step 5: Solve for x
x = 144,027,825,828.77/438,963.84 - Step 6: Final answer
x = 328,108.63
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1.5x scale
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.