Finding the Fourth Proportional to 409,223.84, 564,757.29 and 248,085.68
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Solution
The fourth proportional to 409,223.84, 564,757.29 and 248,085.68 is: 342,375.45
Step by Step Solution
- Step 1: Write the proportion equation
409,223.84 : 564,757.29 = 248,085.68 : x - Step 2: Convert to fraction form
409,223.84/564,757.29 = 248,085.68/x - Step 3: Cross multiply
409,223.84x = 564,757.29 × 248,085.68 - Step 4: Simplify right side
409,223.84x = 140,108,196,324.61 - Step 5: Solve for x
x = 140,108,196,324.61/409,223.84 - Step 6: Final answer
x = 342,375.45
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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.