Finding the Fourth Proportional to 353,354.94, 487,624.68 and 192,211.29
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Solution
The fourth proportional to 353,354.94, 487,624.68 and 192,211.29 is: 265,248.79
Step by Step Solution
- Step 1: Write the proportion equation
353,354.94 : 487,624.68 = 192,211.29 : x - Step 2: Convert to fraction form
353,354.94/487,624.68 = 192,211.29/x - Step 3: Cross multiply
353,354.94x = 487,624.68 × 192,211.29 - Step 4: Simplify right side
353,354.94x = 93,726,968,778.64 - Step 5: Solve for x
x = 93,726,968,778.64/353,354.94 - Step 6: Final answer
x = 265,248.79
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1.5x scale
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.