Finding the Fourth Proportional to 354,354.04, 489,050.08 and 201,415.22
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Solution
The fourth proportional to 354,354.04, 489,050.08 and 201,415.22 is: 277,976.59
Step by Step Solution
- Step 1: Write the proportion equation
354,354.04 : 489,050.08 = 201,415.22 : x - Step 2: Convert to fraction form
354,354.04/489,050.08 = 201,415.22/x - Step 3: Cross multiply
354,354.04x = 489,050.08 × 201,415.22 - Step 4: Simplify right side
354,354.04x = 98,502,129,454.22 - Step 5: Solve for x
x = 98,502,129,454.22/354,354.04 - Step 6: Final answer
x = 277,976.59
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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.