Finding the Fourth Proportional to 302,689.14, 453,875.97 and 112,993.47
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Solution
The fourth proportional to 302,689.14, 453,875.97 and 112,993.47 is: 169,431.32
Step by Step Solution
- Step 1: Write the proportion equation
302,689.14 : 453,875.97 = 112,993.47 : x - Step 2: Convert to fraction form
302,689.14/453,875.97 = 112,993.47/x - Step 3: Cross multiply
302,689.14x = 453,875.97 × 112,993.47 - Step 4: Simplify right side
302,689.14x = 51,285,020,799.92 - Step 5: Solve for x
x = 51,285,020,799.92/302,689.14 - Step 6: Final answer
x = 169,431.32
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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.