Finding the Fourth Proportional to 402,252.40, 603,718.80 and 165,764.80
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Solution
The fourth proportional to 402,252.40, 603,718.80 and 165,764.80 is: 248,787.39
Step by Step Solution
- Step 1: Write the proportion equation
402,252.40 : 603,718.80 = 165,764.80 : x - Step 2: Convert to fraction form
402,252.40/603,718.80 = 165,764.80/x - Step 3: Cross multiply
402,252.40x = 603,718.80 × 165,764.80 - Step 4: Simplify right side
402,252.40x = 100,075,326,138.24 - Step 5: Solve for x
x = 100,075,326,138.24/402,252.40 - Step 6: Final answer
x = 248,787.39
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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.