Finding the Fourth Proportional to 357,314.98, 493,098.21 and 193,972.75
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Solution
The fourth proportional to 357,314.98, 493,098.21 and 193,972.75 is: 267,684.32
Step by Step Solution
- Step 1: Write the proportion equation
357,314.98 : 493,098.21 = 193,972.75 : x - Step 2: Convert to fraction form
357,314.98/493,098.21 = 193,972.75/x - Step 3: Cross multiply
357,314.98x = 493,098.21 × 193,972.75 - Step 4: Simplify right side
357,314.98x = 95,647,615,813.78 - Step 5: Solve for x
x = 95,647,615,813.78/357,314.98 - Step 6: Final answer
x = 267,684.32
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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.