Finding the Fourth Proportional to 320,961.24, 481,402.98 and 163,302.84
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Solution
The fourth proportional to 320,961.24, 481,402.98 and 163,302.84 is: 244,934.48
Step by Step Solution
- Step 1: Write the proportion equation
320,961.24 : 481,402.98 = 163,302.84 : x - Step 2: Convert to fraction form
320,961.24/481,402.98 = 163,302.84/x - Step 3: Cross multiply
320,961.24x = 481,402.98 × 163,302.84 - Step 4: Simplify right side
320,961.24x = 78,614,473,818.46 - Step 5: Solve for x
x = 78,614,473,818.46/320,961.24 - Step 6: Final answer
x = 244,934.48
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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.