Finding the Fourth Proportional to 243,869.08, 336,570.24 and 148,370.08
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Solution
The fourth proportional to 243,869.08, 336,570.24 and 148,370.08 is: 204,769.52
Step by Step Solution
- Step 1: Write the proportion equation
243,869.08 : 336,570.24 = 148,370.08 : x - Step 2: Convert to fraction form
243,869.08/336,570.24 = 148,370.08/x - Step 3: Cross multiply
243,869.08x = 336,570.24 × 148,370.08 - Step 4: Simplify right side
243,869.08x = 49,936,953,434.42 - Step 5: Solve for x
x = 49,936,953,434.42/243,869.08 - Step 6: Final answer
x = 204,769.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.