Finding the Fourth Proportional to 352,509.44, 486,461.76 and 201,606.08
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Solution
The fourth proportional to 352,509.44, 486,461.76 and 201,606.08 is: 278,215.67
Step by Step Solution
- Step 1: Write the proportion equation
352,509.44 : 486,461.76 = 201,606.08 : x - Step 2: Convert to fraction form
352,509.44/486,461.76 = 201,606.08/x - Step 3: Cross multiply
352,509.44x = 486,461.76 × 201,606.08 - Step 4: Simplify right side
352,509.44x = 98,073,648,503.50 - Step 5: Solve for x
x = 98,073,648,503.50/352,509.44 - Step 6: Final answer
x = 278,215.67
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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.