Finding the Fourth Proportional to 340,453.60, 510,672.96 and 91,135.68
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Solution
The fourth proportional to 340,453.60, 510,672.96 and 91,135.68 is: 136,701.53
Step by Step Solution
- Step 1: Write the proportion equation
340,453.60 : 510,672.96 = 91,135.68 : x - Step 2: Convert to fraction form
340,453.60/510,672.96 = 91,135.68/x - Step 3: Cross multiply
340,453.60x = 510,672.96 × 91,135.68 - Step 4: Simplify right side
340,453.60x = 46,540,527,467.21 - Step 5: Solve for x
x = 46,540,527,467.21/340,453.60 - Step 6: Final answer
x = 136,701.53
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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.