Finding the Fourth Proportional to 353,115.94, 529,508.04 and 128,317.84
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Solution
The fourth proportional to 353,115.94, 529,508.04 and 128,317.84 is: 192,416.48
Step by Step Solution
- Step 1: Write the proportion equation
353,115.94 : 529,508.04 = 128,317.84 : x - Step 2: Convert to fraction form
353,115.94/529,508.04 = 128,317.84/x - Step 3: Cross multiply
353,115.94x = 529,508.04 × 128,317.84 - Step 4: Simplify right side
353,115.94x = 67,945,327,955.43 - Step 5: Solve for x
x = 67,945,327,955.43/353,115.94 - Step 6: Final answer
x = 192,416.48
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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.