Finding the Fourth Proportional to 353,456.96, 487,755.99 and 192,312.63
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Solution
The fourth proportional to 353,456.96, 487,755.99 and 192,312.63 is: 265,383.48
Step by Step Solution
- Step 1: Write the proportion equation
353,456.96 : 487,755.99 = 192,312.63 : x - Step 2: Convert to fraction form
353,456.96/487,755.99 = 192,312.63/x - Step 3: Cross multiply
353,456.96x = 487,755.99 × 192,312.63 - Step 4: Simplify right side
353,456.96x = 93,801,637,235.15 - Step 5: Solve for x
x = 93,801,637,235.15/353,456.96 - Step 6: Final answer
x = 265,383.48
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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.