Finding the Fourth Proportional to 482,490.90, 723,738.21 and 201,811.26
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Solution
The fourth proportional to 482,490.90, 723,738.21 and 201,811.26 is: 302,717.67
Step by Step Solution
- Step 1: Write the proportion equation
482,490.90 : 723,738.21 = 201,811.26 : x - Step 2: Convert to fraction form
482,490.90/723,738.21 = 201,811.26/x - Step 3: Cross multiply
482,490.90x = 723,738.21 × 201,811.26 - Step 4: Simplify right side
482,490.90x = 146,058,520,070.25 - Step 5: Solve for x
x = 146,058,520,070.25/482,490.90 - Step 6: Final answer
x = 302,717.67
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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.