Finding the Fourth Proportional to 285,229.17, 427,857.58 and 235,217.95
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Solution
The fourth proportional to 285,229.17, 427,857.58 and 235,217.95 is: 352,838.32
Step by Step Solution
- Step 1: Write the proportion equation
285,229.17 : 427,857.58 = 235,217.95 : x - Step 2: Convert to fraction form
285,229.17/427,857.58 = 235,217.95/x - Step 3: Cross multiply
285,229.17x = 427,857.58 × 235,217.95 - Step 4: Simplify right side
285,229.17x = 100,639,781,683.47 - Step 5: Solve for x
x = 100,639,781,683.47/285,229.17 - Step 6: Final answer
x = 352,838.32
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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.