Finding the Fourth Proportional to 674,057.18, 930,160.84 and 368,072.66
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Solution
The fourth proportional to 674,057.18, 930,160.84 and 368,072.66 is: 507,919.48
Step by Step Solution
- Step 1: Write the proportion equation
674,057.18 : 930,160.84 = 368,072.66 : x - Step 2: Convert to fraction form
674,057.18/930,160.84 = 368,072.66/x - Step 3: Cross multiply
674,057.18x = 930,160.84 × 368,072.66 - Step 4: Simplify right side
674,057.18x = 342,366,774,606.63 - Step 5: Solve for x
x = 342,366,774,606.63/674,057.18 - Step 6: Final answer
x = 507,919.48
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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.