Finding the Fourth Proportional to 415,920.60, 623,880.99 and 116,445.29
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Solution
The fourth proportional to 415,920.60, 623,880.99 and 116,445.29 is: 174,667.95
Step by Step Solution
- Step 1: Write the proportion equation
415,920.60 : 623,880.99 = 116,445.29 : x - Step 2: Convert to fraction form
415,920.60/623,880.99 = 116,445.29/x - Step 3: Cross multiply
415,920.60x = 623,880.99 × 116,445.29 - Step 4: Simplify right side
415,920.60x = 72,647,999,686.63 - Step 5: Solve for x
x = 72,647,999,686.63/415,920.60 - Step 6: Final answer
x = 174,667.95
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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.