Finding the Fourth Proportional to 248,491.80, 372,737.70 and 209,125.80
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Solution
The fourth proportional to 248,491.80, 372,737.70 and 209,125.80 is: 313,688.70
Step by Step Solution
- Step 1: Write the proportion equation
248,491.80 : 372,737.70 = 209,125.80 : x - Step 2: Convert to fraction form
248,491.80/372,737.70 = 209,125.80/x - Step 3: Cross multiply
248,491.80x = 372,737.70 × 209,125.80 - Step 4: Simplify right side
248,491.80x = 77,949,069,702.66 - Step 5: Solve for x
x = 77,949,069,702.66/248,491.80 - Step 6: Final answer
x = 313,688.70
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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.