Finding the Fourth Proportional to 439,901.26, 659,863.36 and 140,381.44
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Solution
The fourth proportional to 439,901.26, 659,863.36 and 140,381.44 is: 210,575.81
Step by Step Solution
- Step 1: Write the proportion equation
439,901.26 : 659,863.36 = 140,381.44 : x - Step 2: Convert to fraction form
439,901.26/659,863.36 = 140,381.44/x - Step 3: Cross multiply
439,901.26x = 659,863.36 × 140,381.44 - Step 4: Simplify right side
439,901.26x = 92,632,564,678.81 - Step 5: Solve for x
x = 92,632,564,678.81/439,901.26 - Step 6: Final answer
x = 210,575.81
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.