Finding the Fourth Proportional to 623,136.92, 934,705.36 and 149,822.28
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Solution
The fourth proportional to 623,136.92, 934,705.36 and 149,822.28 is: 224,733.42
Step by Step Solution
- Step 1: Write the proportion equation
623,136.92 : 934,705.36 = 149,822.28 : x - Step 2: Convert to fraction form
623,136.92/934,705.36 = 149,822.28/x - Step 3: Cross multiply
623,136.92x = 934,705.36 × 149,822.28 - Step 4: Simplify right side
623,136.92x = 140,039,688,163.42 - Step 5: Solve for x
x = 140,039,688,163.42/623,136.92 - Step 6: Final answer
x = 224,733.42
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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.