Finding the Fourth Proportional to 354,460.16, 489,135.48 and 201,477.08
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Solution
The fourth proportional to 354,460.16, 489,135.48 and 201,477.08 is: 278,027.26
Step by Step Solution
- Step 1: Write the proportion equation
354,460.16 : 489,135.48 = 201,477.08 : x - Step 2: Convert to fraction form
354,460.16/489,135.48 = 201,477.08/x - Step 3: Cross multiply
354,460.16x = 489,135.48 × 201,477.08 - Step 4: Simplify right side
354,460.16x = 98,549,588,234.80 - Step 5: Solve for x
x = 98,549,588,234.80/354,460.16 - Step 6: Final answer
x = 278,027.26
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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.