Finding the Fourth Proportional to 405,471.84, 559,539.99 and 224,191.41
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Solution
The fourth proportional to 405,471.84, 559,539.99 and 224,191.41 is: 309,377.98
Step by Step Solution
- Step 1: Write the proportion equation
405,471.84 : 559,539.99 = 224,191.41 : x - Step 2: Convert to fraction form
405,471.84/559,539.99 = 224,191.41/x - Step 3: Cross multiply
405,471.84x = 559,539.99 × 224,191.41 - Step 4: Simplify right side
405,471.84x = 125,444,059,309.49 - Step 5: Solve for x
x = 125,444,059,309.49/405,471.84 - Step 6: Final answer
x = 309,377.98
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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.