Finding the Fourth Proportional to 354,319.68, 488,940.08 and 201,336.63
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Solution
The fourth proportional to 354,319.68, 488,940.08 and 201,336.63 is: 277,832.57
Step by Step Solution
- Step 1: Write the proportion equation
354,319.68 : 488,940.08 = 201,336.63 : x - Step 2: Convert to fraction form
354,319.68/488,940.08 = 201,336.63/x - Step 3: Cross multiply
354,319.68x = 488,940.08 × 201,336.63 - Step 4: Simplify right side
354,319.68x = 98,441,547,979.13 - Step 5: Solve for x
x = 98,441,547,979.13/354,319.68 - Step 6: Final answer
x = 277,832.57
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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.