Finding the Fourth Proportional to 353,624.81, 488,013.18 and 192,490.70
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Solution
The fourth proportional to 353,624.81, 488,013.18 and 192,490.70 is: 265,643.12
Step by Step Solution
- Step 1: Write the proportion equation
353,624.81 : 488,013.18 = 192,490.70 : x - Step 2: Convert to fraction form
353,624.81/488,013.18 = 192,490.70/x - Step 3: Cross multiply
353,624.81x = 488,013.18 × 192,490.70 - Step 4: Simplify right side
353,624.81x = 93,937,998,627.43 - Step 5: Solve for x
x = 93,937,998,627.43/353,624.81 - Step 6: Final answer
x = 265,643.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.