Finding the Fourth Proportional to 670,383.84, 925,129.70 and 368,577.84
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Solution
The fourth proportional to 670,383.84, 925,129.70 and 368,577.84 is: 508,637.42
Step by Step Solution
- Step 1: Write the proportion equation
670,383.84 : 925,129.70 = 368,577.84 : x - Step 2: Convert to fraction form
670,383.84/925,129.70 = 368,577.84/x - Step 3: Cross multiply
670,383.84x = 925,129.70 × 368,577.84 - Step 4: Simplify right side
670,383.84x = 340,982,311,627.61 - Step 5: Solve for x
x = 340,982,311,627.61/670,383.84 - Step 6: Final answer
x = 508,637.42
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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.