Finding the Fourth Proportional to 783,151.92, 1,174,728.91 and 214,538.08
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Solution
The fourth proportional to 783,151.92, 1,174,728.91 and 214,538.08 is: 321,807.40
Step by Step Solution
- Step 1: Write the proportion equation
783,151.92 : 1,174,728.91 = 214,538.08 : x - Step 2: Convert to fraction form
783,151.92/1,174,728.91 = 214,538.08/x - Step 3: Cross multiply
783,151.92x = 1,174,728.91 × 214,538.08 - Step 4: Simplify right side
783,151.92x = 252,024,084,871.89 - Step 5: Solve for x
x = 252,024,084,871.89/783,151.92 - Step 6: Final answer
x = 321,807.40
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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.