Finding the Fourth Proportional to 155,961.14, 234,045.52 and 84,901.70
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Solution
The fourth proportional to 155,961.14, 234,045.52 and 84,901.70 is: 127,409.07
Step by Step Solution
- Step 1: Write the proportion equation
155,961.14 : 234,045.52 = 84,901.70 : x - Step 2: Convert to fraction form
155,961.14/234,045.52 = 84,901.70/x - Step 3: Cross multiply
155,961.14x = 234,045.52 × 84,901.70 - Step 4: Simplify right side
155,961.14x = 19,870,862,898.24 - Step 5: Solve for x
x = 19,870,862,898.24/155,961.14 - Step 6: Final answer
x = 127,409.07
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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.