Finding the Fourth Proportional to 449,474.88, 619,473.20 and 340,317.68
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Solution
The fourth proportional to 449,474.88, 619,473.20 and 340,317.68 is: 469,031.07
Step by Step Solution
- Step 1: Write the proportion equation
449,474.88 : 619,473.20 = 340,317.68 : x - Step 2: Convert to fraction form
449,474.88/619,473.20 = 340,317.68/x - Step 3: Cross multiply
449,474.88x = 619,473.20 × 340,317.68 - Step 4: Simplify right side
449,474.88x = 210,817,682,246.18 - Step 5: Solve for x
x = 210,817,682,246.18/449,474.88 - Step 6: Final answer
x = 469,031.07
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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.