Finding the Fourth Proportional to 490,083.40, 735,125.10 and 322,121.80
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Solution
The fourth proportional to 490,083.40, 735,125.10 and 322,121.80 is: 483,182.70
Step by Step Solution
- Step 1: Write the proportion equation
490,083.40 : 735,125.10 = 322,121.80 : x - Step 2: Convert to fraction form
490,083.40/735,125.10 = 322,121.80/x - Step 3: Cross multiply
490,083.40x = 735,125.10 × 322,121.80 - Step 4: Simplify right side
490,083.40x = 236,799,820,437.18 - Step 5: Solve for x
x = 236,799,820,437.18/490,083.40 - Step 6: Final answer
x = 483,182.70
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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.