Finding the Fourth Proportional to 296,822.84, 409,677.34 and 272,911.64
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Solution
The fourth proportional to 296,822.84, 409,677.34 and 272,911.64 is: 376,674.90
Step by Step Solution
- Step 1: Write the proportion equation
296,822.84 : 409,677.34 = 272,911.64 : x - Step 2: Convert to fraction form
296,822.84/409,677.34 = 272,911.64/x - Step 3: Cross multiply
296,822.84x = 409,677.34 × 272,911.64 - Step 4: Simplify right side
296,822.84x = 111,805,714,730.24 - Step 5: Solve for x
x = 111,805,714,730.24/296,822.84 - Step 6: Final answer
x = 376,674.90
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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.