Finding the Fourth Proportional to 168,595.10, 253,034.54 and 84,329.99
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Solution
The fourth proportional to 168,595.10, 253,034.54 and 84,329.99 is: 126,565.95
Step by Step Solution
- Step 1: Write the proportion equation
168,595.10 : 253,034.54 = 84,329.99 : x - Step 2: Convert to fraction form
168,595.10/253,034.54 = 84,329.99/x - Step 3: Cross multiply
168,595.10x = 253,034.54 × 84,329.99 - Step 4: Simplify right side
168,595.10x = 21,338,399,806.20 - Step 5: Solve for x
x = 21,338,399,806.20/168,595.10 - Step 6: Final answer
x = 126,565.95
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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.