Finding the Fourth Proportional to 641,594.96, 885,184.84 and 369,656.09
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Solution
The fourth proportional to 641,594.96, 885,184.84 and 369,656.09 is: 510,000.84
Step by Step Solution
- Step 1: Write the proportion equation
641,594.96 : 885,184.84 = 369,656.09 : x - Step 2: Convert to fraction form
641,594.96/885,184.84 = 369,656.09/x - Step 3: Cross multiply
641,594.96x = 885,184.84 × 369,656.09 - Step 4: Simplify right side
641,594.96x = 327,213,966,237.27 - Step 5: Solve for x
x = 327,213,966,237.27/641,594.96 - Step 6: Final answer
x = 510,000.84
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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.