Finding the Fourth Proportional to 395,180.58, 592,472.75 and 128,782.02
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Solution
The fourth proportional to 395,180.58, 592,472.75 and 128,782.02 is: 193,075.88
Step by Step Solution
- Step 1: Write the proportion equation
395,180.58 : 592,472.75 = 128,782.02 : x - Step 2: Convert to fraction form
395,180.58/592,472.75 = 128,782.02/x - Step 3: Cross multiply
395,180.58x = 592,472.75 × 128,782.02 - Step 4: Simplify right side
395,180.58x = 76,299,837,539.96 - Step 5: Solve for x
x = 76,299,837,539.96/395,180.58 - Step 6: Final answer
x = 193,075.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.