Finding the Fourth Proportional to 395,272.14, 545,475.74 and 213,984.08
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Solution
The fourth proportional to 395,272.14, 545,475.74 and 213,984.08 is: 295,298.13
Step by Step Solution
- Step 1: Write the proportion equation
395,272.14 : 545,475.74 = 213,984.08 : x - Step 2: Convert to fraction form
395,272.14/545,475.74 = 213,984.08/x - Step 3: Cross multiply
395,272.14x = 545,475.74 × 213,984.08 - Step 4: Simplify right side
395,272.14x = 116,723,124,386.22 - Step 5: Solve for x
x = 116,723,124,386.22/395,272.14 - Step 6: Final answer
x = 295,298.13
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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.