Finding the Fourth Proportional to 529,171.32, 793,759.14 and 129,814.68
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Solution
The fourth proportional to 529,171.32, 793,759.14 and 129,814.68 is: 194,722.55
Step by Step Solution
- Step 1: Write the proportion equation
529,171.32 : 793,759.14 = 129,814.68 : x - Step 2: Convert to fraction form
529,171.32/793,759.14 = 129,814.68/x - Step 3: Cross multiply
529,171.32x = 793,759.14 × 129,814.68 - Step 4: Simplify right side
529,171.32x = 103,041,588,756.18 - Step 5: Solve for x
x = 103,041,588,756.18/529,171.32 - Step 6: Final answer
x = 194,722.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.