Finding the Fourth Proportional to 254,503.65, 381,755.06 and 64,963.99
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Solution
The fourth proportional to 254,503.65, 381,755.06 and 64,963.99 is: 97,445.88
Step by Step Solution
- Step 1: Write the proportion equation
254,503.65 : 381,755.06 = 64,963.99 : x - Step 2: Convert to fraction form
254,503.65/381,755.06 = 64,963.99/x - Step 3: Cross multiply
254,503.65x = 381,755.06 × 64,963.99 - Step 4: Simplify right side
254,503.65x = 24,800,331,900.29 - Step 5: Solve for x
x = 24,800,331,900.29/254,503.65 - Step 6: Final answer
x = 97,445.88
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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.