Finding the Fourth Proportional to 354,364.08, 489,019.32 and 203,462.16
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Solution
The fourth proportional to 354,364.08, 489,019.32 and 203,462.16 is: 280,775.99
Step by Step Solution
- Step 1: Write the proportion equation
354,364.08 : 489,019.32 = 203,462.16 : x - Step 2: Convert to fraction form
354,364.08/489,019.32 = 203,462.16/x - Step 3: Cross multiply
354,364.08x = 489,019.32 × 203,462.16 - Step 4: Simplify right side
354,364.08x = 99,496,927,128.93 - Step 5: Solve for x
x = 99,496,927,128.93/354,364.08 - Step 6: Final answer
x = 280,775.99
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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.