Finding the Fourth Proportional to 395,643.06, 593,538.40 and 129,417.92
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Solution
The fourth proportional to 395,643.06, 593,538.40 and 129,417.92 is: 194,151.02
Step by Step Solution
- Step 1: Write the proportion equation
395,643.06 : 593,538.40 = 129,417.92 : x - Step 2: Convert to fraction form
395,643.06/593,538.40 = 129,417.92/x - Step 3: Cross multiply
395,643.06x = 593,538.40 × 129,417.92 - Step 4: Simplify right side
395,643.06x = 76,814,505,168.13 - Step 5: Solve for x
x = 76,814,505,168.13/395,643.06 - Step 6: Final answer
x = 194,151.02
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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.