Finding the Fourth Proportional to 329,068.70, 493,603.05 and 151,921.70
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Solution
The fourth proportional to 329,068.70, 493,603.05 and 151,921.70 is: 227,882.55
Step by Step Solution
- Step 1: Write the proportion equation
329,068.70 : 493,603.05 = 151,921.70 : x - Step 2: Convert to fraction form
329,068.70/493,603.05 = 151,921.70/x - Step 3: Cross multiply
329,068.70x = 493,603.05 × 151,921.70 - Step 4: Simplify right side
329,068.70x = 74,989,014,481.19 - Step 5: Solve for x
x = 74,989,014,481.19/329,068.70 - Step 6: Final answer
x = 227,882.55
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1.5x scale
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.