Finding the Fourth Proportional to 151,710.08, 209,371.79 and 83,740.55
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Solution
The fourth proportional to 151,710.08, 209,371.79 and 83,740.55 is: 115,568.52
Step by Step Solution
- Step 1: Write the proportion equation
151,710.08 : 209,371.79 = 83,740.55 : x - Step 2: Convert to fraction form
151,710.08/209,371.79 = 83,740.55/x - Step 3: Cross multiply
151,710.08x = 209,371.79 × 83,740.55 - Step 4: Simplify right side
151,710.08x = 17,532,908,849.08 - Step 5: Solve for x
x = 17,532,908,849.08/151,710.08 - Step 6: Final answer
x = 115,568.52
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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.