Finding the Fourth Proportional to 354,612.48, 489,364.52 and 193,467.63
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Solution
The fourth proportional to 354,612.48, 489,364.52 and 193,467.63 is: 266,984.95
Step by Step Solution
- Step 1: Write the proportion equation
354,612.48 : 489,364.52 = 193,467.63 : x - Step 2: Convert to fraction form
354,612.48/489,364.52 = 193,467.63/x - Step 3: Cross multiply
354,612.48x = 489,364.52 × 193,467.63 - Step 4: Simplify right side
354,612.48x = 94,676,193,890.49 - Step 5: Solve for x
x = 94,676,193,890.49/354,612.48 - Step 6: Final answer
x = 266,984.95
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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.