Finding the Fourth Proportional to 395,189.40, 593,075.70 and 158,701.80
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Solution
The fourth proportional to 395,189.40, 593,075.70 and 158,701.80 is: 238,169.80
Step by Step Solution
- Step 1: Write the proportion equation
395,189.40 : 593,075.70 = 158,701.80 : x - Step 2: Convert to fraction form
395,189.40/593,075.70 = 158,701.80/x - Step 3: Cross multiply
395,189.40x = 593,075.70 × 158,701.80 - Step 4: Simplify right side
395,189.40x = 94,122,181,126.26 - Step 5: Solve for x
x = 94,122,181,126.26/395,189.40 - Step 6: Final answer
x = 238,169.80
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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.