Finding the Fourth Proportional to 355,749.44, 490,946.88 and 194,594.88
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Solution
The fourth proportional to 355,749.44, 490,946.88 and 194,594.88 is: 268,547.86
Step by Step Solution
- Step 1: Write the proportion equation
355,749.44 : 490,946.88 = 194,594.88 : x - Step 2: Convert to fraction form
355,749.44/490,946.88 = 194,594.88/x - Step 3: Cross multiply
355,749.44x = 490,946.88 × 194,594.88 - Step 4: Simplify right side
355,749.44x = 95,535,749,199.97 - Step 5: Solve for x
x = 95,535,749,199.97/355,749.44 - Step 6: Final answer
x = 268,547.86
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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.