Finding the Fourth Proportional to 302,689.42, 453,876.35 and 112,993.75
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Solution
The fourth proportional to 302,689.42, 453,876.35 and 112,993.75 is: 169,431.72
Step by Step Solution
- Step 1: Write the proportion equation
302,689.42 : 453,876.35 = 112,993.75 : x - Step 2: Convert to fraction form
302,689.42/453,876.35 = 112,993.75/x - Step 3: Cross multiply
302,689.42x = 453,876.35 × 112,993.75 - Step 4: Simplify right side
302,689.42x = 51,285,189,387.09 - Step 5: Solve for x
x = 51,285,189,387.09/302,689.42 - Step 6: Final answer
x = 169,431.72
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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.