Finding the Fourth Proportional to 393,750.80, 590,237.40 and 156,777.20
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Solution
The fourth proportional to 393,750.80, 590,237.40 and 156,777.20 is: 235,010.99
Step by Step Solution
- Step 1: Write the proportion equation
393,750.80 : 590,237.40 = 156,777.20 : x - Step 2: Convert to fraction form
393,750.80/590,237.40 = 156,777.20/x - Step 3: Cross multiply
393,750.80x = 590,237.40 × 156,777.20 - Step 4: Simplify right side
393,750.80x = 92,535,766,907.28 - Step 5: Solve for x
x = 92,535,766,907.28/393,750.80 - Step 6: Final answer
x = 235,010.99
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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.