Finding the Fourth Proportional to 318,977.64, 478,560.02 and 94,343.99
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Solution
The fourth proportional to 318,977.64, 478,560.02 and 94,343.99 is: 141,543.65
Step by Step Solution
- Step 1: Write the proportion equation
318,977.64 : 478,560.02 = 94,343.99 : x - Step 2: Convert to fraction form
318,977.64/478,560.02 = 94,343.99/x - Step 3: Cross multiply
318,977.64x = 478,560.02 × 94,343.99 - Step 4: Simplify right side
318,977.64x = 45,149,258,876.76 - Step 5: Solve for x
x = 45,149,258,876.76/318,977.64 - Step 6: Final answer
x = 141,543.65
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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.