Finding the Fourth Proportional to 147,264.90, 203,167.08 and 85,163.91
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Solution
The fourth proportional to 147,264.90, 203,167.08 and 85,163.91 is: 117,492.38
Step by Step Solution
- Step 1: Write the proportion equation
147,264.90 : 203,167.08 = 85,163.91 : x - Step 2: Convert to fraction form
147,264.90/203,167.08 = 85,163.91/x - Step 3: Cross multiply
147,264.90x = 203,167.08 × 85,163.91 - Step 4: Simplify right side
147,264.90x = 17,302,502,916.08 - Step 5: Solve for x
x = 17,302,502,916.08/147,264.90 - Step 6: Final answer
x = 117,492.38
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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.