Finding the Fourth Proportional to 395,044.13, 545,156.81 and 213,752.06
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Solution
The fourth proportional to 395,044.13, 545,156.81 and 213,752.06 is: 294,975.63
Step by Step Solution
- Step 1: Write the proportion equation
395,044.13 : 545,156.81 = 213,752.06 : x - Step 2: Convert to fraction form
395,044.13/545,156.81 = 213,752.06/x - Step 3: Cross multiply
395,044.13x = 545,156.81 × 213,752.06 - Step 4: Simplify right side
395,044.13x = 116,528,391,160.53 - Step 5: Solve for x
x = 116,528,391,160.53/395,044.13 - Step 6: Final answer
x = 294,975.63
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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.