Finding the Fourth Proportional to 433,091.80, 649,637.70 and 117,587.80
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Solution
The fourth proportional to 433,091.80, 649,637.70 and 117,587.80 is: 176,381.70
Step by Step Solution
- Step 1: Write the proportion equation
433,091.80 : 649,637.70 = 117,587.80 : x - Step 2: Convert to fraction form
433,091.80/649,637.70 = 117,587.80/x - Step 3: Cross multiply
433,091.80x = 649,637.70 × 117,587.80 - Step 4: Simplify right side
433,091.80x = 76,389,467,940.06 - Step 5: Solve for x
x = 76,389,467,940.06/433,091.80 - Step 6: Final answer
x = 176,381.70
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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.