Finding the Fourth Proportional to 395,291.67, 545,498.71 and 213,998.95
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Solution
The fourth proportional to 395,291.67, 545,498.71 and 213,998.95 is: 295,316.50
Step by Step Solution
- Step 1: Write the proportion equation
395,291.67 : 545,498.71 = 213,998.95 : x - Step 2: Convert to fraction form
395,291.67/545,498.71 = 213,998.95/x - Step 3: Cross multiply
395,291.67x = 545,498.71 × 213,998.95 - Step 4: Simplify right side
395,291.67x = 116,736,151,166.36 - Step 5: Solve for x
x = 116,736,151,166.36/395,291.67 - Step 6: Final answer
x = 295,316.50
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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.