Finding the Fourth Proportional to 395,317.91, 545,538.04 and 214,029.84
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Solution
The fourth proportional to 395,317.91, 545,538.04 and 214,029.84 is: 295,360.82
Step by Step Solution
- Step 1: Write the proportion equation
395,317.91 : 545,538.04 = 214,029.84 : x - Step 2: Convert to fraction form
395,317.91/545,538.04 = 214,029.84/x - Step 3: Cross multiply
395,317.91x = 545,538.04 × 214,029.84 - Step 4: Simplify right side
395,317.91x = 116,761,420,925.81 - Step 5: Solve for x
x = 116,761,420,925.81/395,317.91 - Step 6: Final answer
x = 295,360.82
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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.