Finding the Fourth Proportional to 282,796.95, 390,219.17 and 166,441.23
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Solution
The fourth proportional to 282,796.95, 390,219.17 and 166,441.23 is: 229,664.99
Step by Step Solution
- Step 1: Write the proportion equation
282,796.95 : 390,219.17 = 166,441.23 : x - Step 2: Convert to fraction form
282,796.95/390,219.17 = 166,441.23/x - Step 3: Cross multiply
282,796.95x = 390,219.17 × 166,441.23 - Step 4: Simplify right side
282,796.95x = 64,948,558,624.38 - Step 5: Solve for x
x = 64,948,558,624.38/282,796.95 - Step 6: Final answer
x = 229,664.99
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1.5x scale
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.