Finding the Fourth Proportional to 659,254.98, 989,029.49 and 280,187.67
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Solution
The fourth proportional to 659,254.98, 989,029.49 and 280,187.67 is: 420,343.99
Step by Step Solution
- Step 1: Write the proportion equation
659,254.98 : 989,029.49 = 280,187.67 : x - Step 2: Convert to fraction form
659,254.98/989,029.49 = 280,187.67/x - Step 3: Cross multiply
659,254.98x = 989,029.49 × 280,187.67 - Step 4: Simplify right side
659,254.98x = 277,113,866,963.45 - Step 5: Solve for x
x = 277,113,866,963.45/659,254.98 - Step 6: Final answer
x = 420,343.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.