Finding the Fourth Proportional to 351,027.20, 526,540.80 and 292,707.20
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Solution
The fourth proportional to 351,027.20, 526,540.80 and 292,707.20 is: 439,060.80
Step by Step Solution
- Step 1: Write the proportion equation
351,027.20 : 526,540.80 = 292,707.20 : x - Step 2: Convert to fraction form
351,027.20/526,540.80 = 292,707.20/x - Step 3: Cross multiply
351,027.20x = 526,540.80 × 292,707.20 - Step 4: Simplify right side
351,027.20x = 154,122,283,253.76 - Step 5: Solve for x
x = 154,122,283,253.76/351,027.20 - Step 6: Final answer
x = 439,060.80
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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.