Finding the Fourth Proportional to 449,113.91, 619,881.39 and 296,179.70
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Solution
The fourth proportional to 449,113.91, 619,881.39 and 296,179.70 is: 408,796.70
Step by Step Solution
- Step 1: Write the proportion equation
449,113.91 : 619,881.39 = 296,179.70 : x - Step 2: Convert to fraction form
449,113.91/619,881.39 = 296,179.70/x - Step 3: Cross multiply
449,113.91x = 619,881.39 × 296,179.70 - Step 4: Simplify right side
449,113.91x = 183,596,281,026.38 - Step 5: Solve for x
x = 183,596,281,026.38/449,113.91 - Step 6: Final answer
x = 408,796.70
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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.