Finding the Fourth Proportional to 623,168.79, 934,910.49 and 173,889.28
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Solution
The fourth proportional to 623,168.79, 934,910.49 and 173,889.28 is: 260,877.82
Step by Step Solution
- Step 1: Write the proportion equation
623,168.79 : 934,910.49 = 173,889.28 : x - Step 2: Convert to fraction form
623,168.79/934,910.49 = 173,889.28/x - Step 3: Cross multiply
623,168.79x = 934,910.49 × 173,889.28 - Step 4: Simplify right side
623,168.79x = 162,570,913,546.74 - Step 5: Solve for x
x = 162,570,913,546.74/623,168.79 - Step 6: Final answer
x = 260,877.82
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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.