Finding the Fourth Proportional to 346,221.76, 477,808.32 and 195,315.52
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Solution
The fourth proportional to 346,221.76, 477,808.32 and 195,315.52 is: 269,547.99
Step by Step Solution
- Step 1: Write the proportion equation
346,221.76 : 477,808.32 = 195,315.52 : x - Step 2: Convert to fraction form
346,221.76/477,808.32 = 195,315.52/x - Step 3: Cross multiply
346,221.76x = 477,808.32 × 195,315.52 - Step 4: Simplify right side
346,221.76x = 93,323,380,481.13 - Step 5: Solve for x
x = 93,323,380,481.13/346,221.76 - Step 6: Final answer
x = 269,547.99
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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.