Finding the Fourth Proportional to 353,103.24, 529,348.68 and 153,431.76
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Solution
The fourth proportional to 353,103.24, 529,348.68 and 153,431.76 is: 230,014.60
Step by Step Solution
- Step 1: Write the proportion equation
353,103.24 : 529,348.68 = 153,431.76 : x - Step 2: Convert to fraction form
353,103.24/529,348.68 = 153,431.76/x - Step 3: Cross multiply
353,103.24x = 529,348.68 × 153,431.76 - Step 4: Simplify right side
353,103.24x = 81,218,899,626.08 - Step 5: Solve for x
x = 81,218,899,626.08/353,103.24 - Step 6: Final answer
x = 230,014.60
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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.