Finding the Fourth Proportional to 513,043.12, 769,492.59 and 176,078.26
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Solution
The fourth proportional to 513,043.12, 769,492.59 and 176,078.26 is: 264,092.65
Step by Step Solution
- Step 1: Write the proportion equation
513,043.12 : 769,492.59 = 176,078.26 : x - Step 2: Convert to fraction form
513,043.12/769,492.59 = 176,078.26/x - Step 3: Cross multiply
513,043.12x = 769,492.59 × 176,078.26 - Step 4: Simplify right side
513,043.12x = 135,490,916,330.09 - Step 5: Solve for x
x = 135,490,916,330.09/513,043.12 - Step 6: Final answer
x = 264,092.65
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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.