Finding the Fourth Proportional to 145,635.26, 201,038.84 and 97,916.28
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Solution
The fourth proportional to 145,635.26, 201,038.84 and 97,916.28 is: 135,166.27
Step by Step Solution
- Step 1: Write the proportion equation
145,635.26 : 201,038.84 = 97,916.28 : x - Step 2: Convert to fraction form
145,635.26/201,038.84 = 97,916.28/x - Step 3: Cross multiply
145,635.26x = 201,038.84 × 97,916.28 - Step 4: Simplify right side
145,635.26x = 19,684,974,472.02 - Step 5: Solve for x
x = 19,684,974,472.02/145,635.26 - Step 6: Final answer
x = 135,166.27
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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.