Finding the Fourth Proportional to 463,898.28, 640,119.84 and 272,841.96
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Solution
The fourth proportional to 463,898.28, 640,119.84 and 272,841.96 is: 376,486.74
Step by Step Solution
- Step 1: Write the proportion equation
463,898.28 : 640,119.84 = 272,841.96 : x - Step 2: Convert to fraction form
463,898.28/640,119.84 = 272,841.96/x - Step 3: Cross multiply
463,898.28x = 640,119.84 × 272,841.96 - Step 4: Simplify right side
463,898.28x = 174,651,551,780.49 - Step 5: Solve for x
x = 174,651,551,780.49/463,898.28 - Step 6: Final answer
x = 376,486.74
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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.