Finding the Fourth Proportional to 257,457.92, 385,684.08 and 122,329.67
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Solution
The fourth proportional to 257,457.92, 385,684.08 and 122,329.67 is: 183,255.60
Step by Step Solution
- Step 1: Write the proportion equation
257,457.92 : 385,684.08 = 122,329.67 : x - Step 2: Convert to fraction form
257,457.92/385,684.08 = 122,329.67/x - Step 3: Cross multiply
257,457.92x = 385,684.08 × 122,329.67 - Step 4: Simplify right side
257,457.92x = 47,180,604,302.23 - Step 5: Solve for x
x = 47,180,604,302.23/257,457.92 - Step 6: Final answer
x = 183,255.60
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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.