Finding the Fourth Proportional to 371,946.80, 513,533.74 and 285,752.26
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Solution
The fourth proportional to 371,946.80, 513,533.74 and 285,752.26 is: 394,528.00
Step by Step Solution
- Step 1: Write the proportion equation
371,946.80 : 513,533.74 = 285,752.26 : x - Step 2: Convert to fraction form
371,946.80/513,533.74 = 285,752.26/x - Step 3: Cross multiply
371,946.80x = 513,533.74 × 285,752.26 - Step 4: Simplify right side
371,946.80x = 146,743,426,791.25 - Step 5: Solve for x
x = 146,743,426,791.25/371,946.80 - Step 6: Final answer
x = 394,528.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.