Finding the Fourth Proportional to 318,156.17, 477,251.87 and 104,915.48
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Solution
The fourth proportional to 318,156.17, 477,251.87 and 104,915.48 is: 157,379.02
Step by Step Solution
- Step 1: Write the proportion equation
318,156.17 : 477,251.87 = 104,915.48 : x - Step 2: Convert to fraction form
318,156.17/477,251.87 = 104,915.48/x - Step 3: Cross multiply
318,156.17x = 477,251.87 × 104,915.48 - Step 4: Simplify right side
318,156.17x = 50,071,106,111.11 - Step 5: Solve for x
x = 50,071,106,111.11/318,156.17 - Step 6: Final answer
x = 157,379.02
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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.