Finding the Fourth Proportional to 145,635.04, 201,038.30 and 97,916.05
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Solution
The fourth proportional to 145,635.04, 201,038.30 and 97,916.05 is: 135,165.80
Step by Step Solution
- Step 1: Write the proportion equation
145,635.04 : 201,038.30 = 97,916.05 : x - Step 2: Convert to fraction form
145,635.04/201,038.30 = 97,916.05/x - Step 3: Cross multiply
145,635.04x = 201,038.30 × 97,916.05 - Step 4: Simplify right side
145,635.04x = 19,684,876,234.72 - Step 5: Solve for x
x = 19,684,876,234.72/145,635.04 - Step 6: Final answer
x = 135,165.80
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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.