Finding the Fourth Proportional to 237,745.65, 328,122.60 and 147,130.80
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Solution
The fourth proportional to 237,745.65, 328,122.60 and 147,130.80 is: 203,061.30
Step by Step Solution
- Step 1: Write the proportion equation
237,745.65 : 328,122.60 = 147,130.80 : x - Step 2: Convert to fraction form
237,745.65/328,122.60 = 147,130.80/x - Step 3: Cross multiply
237,745.65x = 328,122.60 × 147,130.80 - Step 4: Simplify right side
237,745.65x = 48,276,940,636.08 - Step 5: Solve for x
x = 48,276,940,636.08/237,745.65 - Step 6: Final answer
x = 203,061.30
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.