Finding the Fourth Proportional to 261,972.92, 392,368.58 and 183,437.76
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Solution
The fourth proportional to 261,972.92, 392,368.58 and 183,437.76 is: 274,742.95
Step by Step Solution
- Step 1: Write the proportion equation
261,972.92 : 392,368.58 = 183,437.76 : x - Step 2: Convert to fraction form
261,972.92/392,368.58 = 183,437.76/x - Step 3: Cross multiply
261,972.92x = 392,368.58 × 183,437.76 - Step 4: Simplify right side
261,972.92x = 71,975,213,409.58 - Step 5: Solve for x
x = 71,975,213,409.58/261,972.92 - Step 6: Final answer
x = 274,742.95
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1.5x scale
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.