Finding the Fourth Proportional to 395,130.41, 545,280.62 and 213,842.49
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Solution
The fourth proportional to 395,130.41, 545,280.62 and 213,842.49 is: 295,102.99
Step by Step Solution
- Step 1: Write the proportion equation
395,130.41 : 545,280.62 = 213,842.49 : x - Step 2: Convert to fraction form
395,130.41/545,280.62 = 213,842.49/x - Step 3: Cross multiply
395,130.41x = 545,280.62 × 213,842.49 - Step 4: Simplify right side
395,130.41x = 116,604,164,460.33 - Step 5: Solve for x
x = 116,604,164,460.33/395,130.41 - Step 6: Final answer
x = 295,102.99
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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.