Finding the Fourth Proportional to 354,354.03, 489,050.07 and 201,415.23
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Solution
The fourth proportional to 354,354.03, 489,050.07 and 201,415.23 is: 277,976.61
Step by Step Solution
- Step 1: Write the proportion equation
354,354.03 : 489,050.07 = 201,415.23 : x - Step 2: Convert to fraction form
354,354.03/489,050.07 = 201,415.23/x - Step 3: Cross multiply
354,354.03x = 489,050.07 × 201,415.23 - Step 4: Simplify right side
354,354.03x = 98,502,132,330.57 - Step 5: Solve for x
x = 98,502,132,330.57/354,354.03 - Step 6: Final answer
x = 277,976.61
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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.