Finding the Fourth Proportional to 497,588.11, 686,455.35 and 316,202.92
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Solution
The fourth proportional to 497,588.11, 686,455.35 and 316,202.92 is: 436,222.61
Step by Step Solution
- Step 1: Write the proportion equation
497,588.11 : 686,455.35 = 316,202.92 : x - Step 2: Convert to fraction form
497,588.11/686,455.35 = 316,202.92/x - Step 3: Cross multiply
497,588.11x = 686,455.35 × 316,202.92 - Step 4: Simplify right side
497,588.11x = 217,059,186,119.62 - Step 5: Solve for x
x = 217,059,186,119.62/497,588.11 - Step 6: Final answer
x = 436,222.61
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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.