Finding the Fourth Proportional to 381,852.28, 569,986.88 and 354,098.44
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Solution
The fourth proportional to 381,852.28, 569,986.88 and 354,098.44 is: 528,559.02
Step by Step Solution
- Step 1: Write the proportion equation
381,852.28 : 569,986.88 = 354,098.44 : x - Step 2: Convert to fraction form
381,852.28/569,986.88 = 354,098.44/x - Step 3: Cross multiply
381,852.28x = 569,986.88 × 354,098.44 - Step 4: Simplify right side
381,852.28x = 201,831,465,028.47 - Step 5: Solve for x
x = 201,831,465,028.47/381,852.28 - Step 6: Final answer
x = 528,559.02
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.