Finding the Fourth Proportional to 313,742.92, 432,967.94 and 170,502.92
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Solution
The fourth proportional to 313,742.92, 432,967.94 and 170,502.92 is: 235,295.50
Step by Step Solution
- Step 1: Write the proportion equation
313,742.92 : 432,967.94 = 170,502.92 : x - Step 2: Convert to fraction form
313,742.92/432,967.94 = 170,502.92/x - Step 3: Cross multiply
313,742.92x = 432,967.94 × 170,502.92 - Step 4: Simplify right side
313,742.92x = 73,822,298,036.38 - Step 5: Solve for x
x = 73,822,298,036.38/313,742.92 - Step 6: Final answer
x = 235,295.50
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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.