Finding the Fourth Proportional to 103,694.10, 155,368.35 and 97,473.30
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Solution
The fourth proportional to 103,694.10, 155,368.35 and 97,473.30 is: 146,047.52
Step by Step Solution
- Step 1: Write the proportion equation
103,694.10 : 155,368.35 = 97,473.30 : x - Step 2: Convert to fraction form
103,694.10/155,368.35 = 97,473.30/x - Step 3: Cross multiply
103,694.10x = 155,368.35 × 97,473.30 - Step 4: Simplify right side
103,694.10x = 15,144,265,790.06 - Step 5: Solve for x
x = 15,144,265,790.06/103,694.10 - Step 6: Final answer
x = 146,047.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.