Finding the Fourth Proportional to 97,981.14, 135,215.04 and 53,269.14
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Solution
The fourth proportional to 97,981.14, 135,215.04 and 53,269.14 is: 73,511.99
Step by Step Solution
- Step 1: Write the proportion equation
97,981.14 : 135,215.04 = 53,269.14 : x - Step 2: Convert to fraction form
97,981.14/135,215.04 = 53,269.14/x - Step 3: Cross multiply
97,981.14x = 135,215.04 × 53,269.14 - Step 4: Simplify right side
97,981.14x = 7,202,788,895.87 - Step 5: Solve for x
x = 7,202,788,895.87/97,981.14 - Step 6: Final answer
x = 73,511.99
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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.