Finding the Fourth Proportional to 313,562.70, 432,718.20 and 170,323.92
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Solution
The fourth proportional to 313,562.70, 432,718.20 and 170,323.92 is: 235,047.92
Step by Step Solution
- Step 1: Write the proportion equation
313,562.70 : 432,718.20 = 170,323.92 : x - Step 2: Convert to fraction form
313,562.70/432,718.20 = 170,323.92/x - Step 3: Cross multiply
313,562.70x = 432,718.20 × 170,323.92 - Step 4: Simplify right side
313,562.70x = 73,702,260,079.34 - Step 5: Solve for x
x = 73,702,260,079.34/313,562.70 - Step 6: Final answer
x = 235,047.92
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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.