Finding the Fourth Proportional to 354,539.08, 489,263.12 and 193,394.13
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Solution
The fourth proportional to 354,539.08, 489,263.12 and 193,394.13 is: 266,883.45
Step by Step Solution
- Step 1: Write the proportion equation
354,539.08 : 489,263.12 = 193,394.13 : x - Step 2: Convert to fraction form
354,539.08/489,263.12 = 193,394.13/x - Step 3: Cross multiply
354,539.08x = 489,263.12 × 193,394.13 - Step 4: Simplify right side
354,539.08x = 94,620,614,444.85 - Step 5: Solve for x
x = 94,620,614,444.85/354,539.08 - Step 6: Final answer
x = 266,883.45
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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.