Finding the Fourth Proportional to 532,129.20, 798,193.80 and 310,945.20
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Solution
The fourth proportional to 532,129.20, 798,193.80 and 310,945.20 is: 466,417.80
Step by Step Solution
- Step 1: Write the proportion equation
532,129.20 : 798,193.80 = 310,945.20 : x - Step 2: Convert to fraction form
532,129.20/798,193.80 = 310,945.20/x - Step 3: Cross multiply
532,129.20x = 798,193.80 × 310,945.20 - Step 4: Simplify right side
532,129.20x = 248,194,530,779.76 - Step 5: Solve for x
x = 248,194,530,779.76/532,129.20 - Step 6: Final answer
x = 466,417.80
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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.