Finding the Fourth Proportional to 320,469.93, 442,230.49 and 175,246.88
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Solution
The fourth proportional to 320,469.93, 442,230.49 and 175,246.88 is: 241,830.84
Step by Step Solution
- Step 1: Write the proportion equation
320,469.93 : 442,230.49 = 175,246.88 : x - Step 2: Convert to fraction form
320,469.93/442,230.49 = 175,246.88/x - Step 3: Cross multiply
320,469.93x = 442,230.49 × 175,246.88 - Step 4: Simplify right side
320,469.93x = 77,499,512,737.14 - Step 5: Solve for x
x = 77,499,512,737.14/320,469.93 - Step 6: Final answer
x = 241,830.84
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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.