Finding the Fourth Proportional to 328,731.44, 493,125.20 and 115,480.71
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Solution
The fourth proportional to 328,731.44, 493,125.20 and 115,480.71 is: 173,230.92
Step by Step Solution
- Step 1: Write the proportion equation
328,731.44 : 493,125.20 = 115,480.71 : x - Step 2: Convert to fraction form
328,731.44/493,125.20 = 115,480.71/x - Step 3: Cross multiply
328,731.44x = 493,125.20 × 115,480.71 - Step 4: Simplify right side
328,731.44x = 56,946,448,503.59 - Step 5: Solve for x
x = 56,946,448,503.59/328,731.44 - Step 6: Final answer
x = 173,230.92
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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.