Finding the Fourth Proportional to 357,331.60, 493,118.58 and 196,197.09
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Solution
The fourth proportional to 357,331.60, 493,118.58 and 196,197.09 is: 270,752.52
Step by Step Solution
- Step 1: Write the proportion equation
357,331.60 : 493,118.58 = 196,197.09 : x - Step 2: Convert to fraction form
357,331.60/493,118.58 = 196,197.09/x - Step 3: Cross multiply
357,331.60x = 493,118.58 × 196,197.09 - Step 4: Simplify right side
357,331.60x = 96,748,430,694.37 - Step 5: Solve for x
x = 96,748,430,694.37/357,331.60 - Step 6: Final answer
x = 270,752.52
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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.