Finding the Fourth Proportional to 117,149.71, 175,723.99 and 28,403.23
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Solution
The fourth proportional to 117,149.71, 175,723.99 and 28,403.23 is: 42,604.70
Step by Step Solution
- Step 1: Write the proportion equation
117,149.71 : 175,723.99 = 28,403.23 : x - Step 2: Convert to fraction form
117,149.71/175,723.99 = 28,403.23/x - Step 3: Cross multiply
117,149.71x = 175,723.99 × 28,403.23 - Step 4: Simplify right side
117,149.71x = 4,991,128,394.17 - Step 5: Solve for x
x = 4,991,128,394.17/117,149.71 - Step 6: Final answer
x = 42,604.70
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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.