Finding the Fourth Proportional to 354,536.87, 489,264.00 and 193,392.63
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Solution
The fourth proportional to 354,536.87, 489,264.00 and 193,392.63 is: 266,883.53
Step by Step Solution
- Step 1: Write the proportion equation
354,536.87 : 489,264.00 = 193,392.63 : x - Step 2: Convert to fraction form
354,536.87/489,264.00 = 193,392.63/x - Step 3: Cross multiply
354,536.87x = 489,264.00 × 193,392.63 - Step 4: Simplify right side
354,536.87x = 94,620,050,999.10 - Step 5: Solve for x
x = 94,620,050,999.10/354,536.87 - Step 6: Final answer
x = 266,883.53
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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.