Finding the Fourth Proportional to 357,407.84, 493,203.48 and 196,284.08
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Solution
The fourth proportional to 357,407.84, 493,203.48 and 196,284.08 is: 270,861.41
Step by Step Solution
- Step 1: Write the proportion equation
357,407.84 : 493,203.48 = 196,284.08 : x - Step 2: Convert to fraction form
357,407.84/493,203.48 = 196,284.08/x - Step 3: Cross multiply
357,407.84x = 493,203.48 × 196,284.08 - Step 4: Simplify right side
357,407.84x = 96,807,991,324.60 - Step 5: Solve for x
x = 96,807,991,324.60/357,407.84 - Step 6: Final answer
x = 270,861.41
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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.