Finding the Fourth Proportional to 224,968.79, 310,457.10 and 122,992.63
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Solution
The fourth proportional to 224,968.79, 310,457.10 and 122,992.63 is: 169,729.92
Step by Step Solution
- Step 1: Write the proportion equation
224,968.79 : 310,457.10 = 122,992.63 : x - Step 2: Convert to fraction form
224,968.79/310,457.10 = 122,992.63/x - Step 3: Cross multiply
224,968.79x = 310,457.10 × 122,992.63 - Step 4: Simplify right side
224,968.79x = 38,183,934,916.25 - Step 5: Solve for x
x = 38,183,934,916.25/224,968.79 - Step 6: Final answer
x = 169,729.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.