Finding the Fourth Proportional to 263,965.80, 395,948.70 and 260,029.20
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Solution
The fourth proportional to 263,965.80, 395,948.70 and 260,029.20 is: 390,043.80
Step by Step Solution
- Step 1: Write the proportion equation
263,965.80 : 395,948.70 = 260,029.20 : x - Step 2: Convert to fraction form
263,965.80/395,948.70 = 260,029.20/x - Step 3: Cross multiply
263,965.80x = 395,948.70 × 260,029.20 - Step 4: Simplify right side
263,965.80x = 102,958,223,702.04 - Step 5: Solve for x
x = 102,958,223,702.04/263,965.80 - Step 6: Final answer
x = 390,043.80
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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.