Finding the Fourth Proportional to 591,121.32, 886,806.68 and 191,731.08
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Solution
The fourth proportional to 591,121.32, 886,806.68 and 191,731.08 is: 287,637.07
Step by Step Solution
- Step 1: Write the proportion equation
591,121.32 : 886,806.68 = 191,731.08 : x - Step 2: Convert to fraction form
591,121.32/886,806.68 = 191,731.08/x - Step 3: Cross multiply
591,121.32x = 886,806.68 × 191,731.08 - Step 4: Simplify right side
591,121.32x = 170,028,402,507.61 - Step 5: Solve for x
x = 170,028,402,507.61/591,121.32 - Step 6: Final answer
x = 287,637.07
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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.