Finding the Fourth Proportional to 621,251.44, 931,195.28 and 354,430.08
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Solution
The fourth proportional to 621,251.44, 931,195.28 and 354,430.08 is: 531,256.10
Step by Step Solution
- Step 1: Write the proportion equation
621,251.44 : 931,195.28 = 354,430.08 : x - Step 2: Convert to fraction form
621,251.44/931,195.28 = 354,430.08/x - Step 3: Cross multiply
621,251.44x = 931,195.28 × 354,430.08 - Step 4: Simplify right side
621,251.44x = 330,043,617,586.02 - Step 5: Solve for x
x = 330,043,617,586.02/621,251.44 - Step 6: Final answer
x = 531,256.10
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.