Finding the Fourth Proportional to 162,916.68, 224,827.74 and 91,312.68
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Solution
The fourth proportional to 162,916.68, 224,827.74 and 91,312.68 is: 126,013.02
Step by Step Solution
- Step 1: Write the proportion equation
162,916.68 : 224,827.74 = 91,312.68 : x - Step 2: Convert to fraction form
162,916.68/224,827.74 = 91,312.68/x - Step 3: Cross multiply
162,916.68x = 224,827.74 × 91,312.68 - Step 4: Simplify right side
162,916.68x = 20,529,623,477.74 - Step 5: Solve for x
x = 20,529,623,477.74/162,916.68 - Step 6: Final answer
x = 126,013.02
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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.