Finding the Fourth Proportional to 353,257.70, 487,490.99 and 192,109.28
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Solution
The fourth proportional to 353,257.70, 487,490.99 and 192,109.28 is: 265,108.28
Step by Step Solution
- Step 1: Write the proportion equation
353,257.70 : 487,490.99 = 192,109.28 : x - Step 2: Convert to fraction form
353,257.70/487,490.99 = 192,109.28/x - Step 3: Cross multiply
353,257.70x = 487,490.99 × 192,109.28 - Step 4: Simplify right side
353,257.70x = 93,651,539,697.39 - Step 5: Solve for x
x = 93,651,539,697.39/353,257.70 - Step 6: Final answer
x = 265,108.28
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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.