Finding the Fourth Proportional to 397,903.40, 596,743.91 and 157,909.31
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Solution
The fourth proportional to 397,903.40, 596,743.91 and 157,909.31 is: 236,819.84
Step by Step Solution
- Step 1: Write the proportion equation
397,903.40 : 596,743.91 = 157,909.31 : x - Step 2: Convert to fraction form
397,903.40/596,743.91 = 157,909.31/x - Step 3: Cross multiply
397,903.40x = 596,743.91 × 157,909.31 - Step 4: Simplify right side
397,903.40x = 94,231,419,074.80 - Step 5: Solve for x
x = 94,231,419,074.80/397,903.40 - Step 6: Final answer
x = 236,819.84
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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.