Finding the Fourth Proportional to 545,980.39, 819,087.22 and 191,005.99
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Solution
The fourth proportional to 545,980.39, 819,087.22 and 191,005.99 is: 286,549.79
Step by Step Solution
- Step 1: Write the proportion equation
545,980.39 : 819,087.22 = 191,005.99 : x - Step 2: Convert to fraction form
545,980.39/819,087.22 = 191,005.99/x - Step 3: Cross multiply
545,980.39x = 819,087.22 × 191,005.99 - Step 4: Simplify right side
545,980.39x = 156,450,565,352.45 - Step 5: Solve for x
x = 156,450,565,352.45/545,980.39 - Step 6: Final answer
x = 286,549.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.