Finding the Fourth Proportional to 381,677.80, 572,516.70 and 335,021.80
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Solution
The fourth proportional to 381,677.80, 572,516.70 and 335,021.80 is: 502,532.70
Step by Step Solution
- Step 1: Write the proportion equation
381,677.80 : 572,516.70 = 335,021.80 : x - Step 2: Convert to fraction form
381,677.80/572,516.70 = 335,021.80/x - Step 3: Cross multiply
381,677.80x = 572,516.70 × 335,021.80 - Step 4: Simplify right side
381,677.80x = 191,805,575,364.06 - Step 5: Solve for x
x = 191,805,575,364.06/381,677.80 - Step 6: Final answer
x = 502,532.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.