Finding the Fourth Proportional to 354,326.58, 488,970.54 and 193,181.76
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Solution
The fourth proportional to 354,326.58, 488,970.54 and 193,181.76 is: 266,590.75
Step by Step Solution
- Step 1: Write the proportion equation
354,326.58 : 488,970.54 = 193,181.76 : x - Step 2: Convert to fraction form
354,326.58/488,970.54 = 193,181.76/x - Step 3: Cross multiply
354,326.58x = 488,970.54 × 193,181.76 - Step 4: Simplify right side
354,326.58x = 94,460,189,505.35 - Step 5: Solve for x
x = 94,460,189,505.35/354,326.58 - Step 6: Final answer
x = 266,590.75
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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.